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Social Media Defined: The Ultimate Guide 2024
June 12th, 2023 by Terri Pinyerd

While the term 'social media' has been used since the early 2000's, the concept of social media itself goes further back to the late 90's with platforms like SixDegrees, personal blogging websites, and forums.


In later years, the term 'social media' entered the mainstream as platforms like Friendster, MySpace, and Facebook emerged.


But what is social media and how is it defined?


Social Media Defined


Social media refers to an online platform or application (app) that allows its users to create content, share it, and engage with other user's content. Most importantly, users are encouraged to interact with others.


Social media users oftentimes have the ability to create profiles, connect with friends or followers, and exchange content including text, images, and videos.


Social Media User Profiles


Commonly, social media accounts include a profile or bio of some sort that includes the following:

  • Username or tag

  • Profile picture (pfp), previously called an avatar

  • Bio or 'About' section

  • Link to an outside website or other profile


Platforms such as Facebook and LinkedIn allow users to include a cover photo - a large image that appears at the top of the user's profile page.


Social Media Posts


ASII art in the form of a pouncing cat


Initially, social media posts began as text-based content, eventually adding the ability to include images.


During the early years, emoticons (later known as emojis) became a popular way to express emotions in an otherwise text-heavy format.


ASCII art also grew in popularity, allowing users to create designs using only letters and keyboard symbols.


Nowadays, social media posts include user generated content that can range from short-form text, to images with captions, brief videos, and livestreams.


Certain platforms, such as Facebook, allow users to post all types of content, whereas other platforms like Pinterest and TikTok, are limited to a few trademark methods.


The History of Social Media


timeline infographic showing the history of social media through the decades. the timeline reflects the information that appears in the blog post text below


Late 1990s: Early social media platforms like emerge, allowing users to create profiles and connect with others.


Early 2000s: Blogging platforms like LiveJournal and Blogger gain popularity, enabling users to publish and share content online.


2002-2003: Friendster and MySpace launch, providing users with more advanced social networking features and customizable profiles.


2004: Facebook is founded, initially targeting college students before expanding to the general public. It quickly becomes a dominant force in social networking.


2005: YouTube is launched, revolutionizing video sharing and consumption on the internet.


2006: Twitter is introduced, popularizing the concept of "microblogging" with its 140-character limit (later expanded to 280 characters).


2010: Instagram is launched, focusing on photo and video sharing with a mobile-first approach.


2010s: The rise of messaging apps like WhatsApp, WeChat, and Facebook Messenger, as well as ephemeral content platforms like Snapchat, further diversify the social media landscape.


Mid-2010s to present: Social media continues to evolve, with platforms like TikTok gaining rapid popularity, live streaming becoming more mainstream, and new technologies like virtual reality (VR) and augmented reality (AR) being integrated into social experiences.


What Types Of Social Media Are There?


infographic depicting each type of social media platform in various colored squares


Social media is an umbrella term for a huge variety of sites and apps that allow users to create and share content.


Within this range, there are a few distinct types of social media platforms including: social networking sites, media-sharing sites, microblogging platforms, messaging apps, social news & forums, and review sites.


We'll break down each type below, along with a list of examples that you might find familiar.


Social Networking Sites


person using facebook on both a laptop computer and mobile phone


Social networking sites focus primarily on building connections and networking between users.


While media sharing is often possible on these sites, it's not the primary focus. Instead, user profiles take the lead with the aim being to seek out and interact with people you know, or want to get to know.


Professional networking sites are a sub-type of social networking, and the focus of these platforms is to connect employers with potential employees, and to help users build up their professional networks.


Popular active social networking sites include:

  • Facebook

  • LinkedIn

  • VKontakte


Past social networking sites included:

  • Friendster

  • MySpace

  • Xing

  • Orkut

  • Hi5


Media-Sharing Sites


pinterest as shown on a laptop computer


Media-sharing sites prioritize image, video, and audio sharing over text-based content. While networking is possible - and valuable - on these sites, the main purpose is to share content rather than connect with other users.


Oftentimes these social media apps will have simple messaging and commenting features, and more robust options for creating and sharing images, music, and videos.


In recent years, short-form video content has taken the lead, with platforms like Snapchat, Vine, and TikTok revolutionizing the media-sharing landscape.


Popular active media-sharing sites include:

  • Instagram

  • YouTube

  • Pinterest

  • TikTok

  • Soundcloud

  • Spotify

  • Audiomack

  • Snapchat

  • DeviantArt

  • Dailymotion

  • Vimeo

  • Reverbnation

  • Rumble


Past media-sharing platforms included:

  • Vine

  • Photobucket

  • Picasa


Microblogging Platforms


office table with laptop computer, open journal, and a vase of flowers


Microblogging platforms allow users to create and share short-form written content. Unlike a traditional blog, microblogging platforms don't require the user to set up an independent website or have any in-depth technical abilities.


The two most popular microblogging platforms are Twitter and Tumblr, respectively.


While Twitter's focus is on bite-sized text posts, they also allow users to include images, GIFs, videos, and links to outside content. In recent years, Twitter has expanded their character limit from 140 to 280 characters.


Similarly, Tumblr allows users to create and post short-form content as well as a variety of other media types. However, it's more unique feature is the ability for users to create and design their own individual blog pages. These can be customized to the user's needs.


Popular micro-blogging platforms include:

  • Twitter

  • Tumblr

  • Mastodon

  • Plurk


Past micro-blogging platforms included:

  • Google Buzz

  • TwitPic

  • Yammer



Messaging Apps


messaging apps as shown on the screen of a mobile device including whatsapp telegram and signal


Messaging apps and platforms focus primarily on communication through private and group messaging.


The first platforms to focus on "instant messaging" were AOL Instant Messenger, Windows Live Messenger, and Yahoo! Messenger. Users could send text-based content to one another and include custom emoticons and emojis.


Currently, WhatsApp and Facebook Messenger are the leading messaging platforms, though concerns about privacy and security have led many to utilize Telegram and Signal as more secure alternatives.


Popular messaging apps include:

  • WhatsApp

  • Facebook Messenger

  • WeChat

  • Telegram

  • Signal

  • Line

  • Viber


Past messaging apps and platforms included:

  • AOL Instant Messenger (AIM)

  • Windows Live Messenger (MSN)

  • Yahoo! Messenger

  • Kik


Social News & Forum Sites


reddit mobile app icon showing one notification


The direct descendants of the original social networking forums, social news and forum based sites focus on discussion and community engagment.


The most popular of these sites are Reddit, Quora, and 4chan, which allow users to create profiles and post within certain topics or subforums.


Popular social news and forum sites include:

  • Reddit

  • Quora

  • 4chan

  • Stack Exchange

  • Amino Apps


Past social news and forum sites included:

  • Yahoo Answers

  • Digg

  • Fark [still functioning but declined in popularity]

  • MetaFilter [still has limited functionality]


Review Sites


side view of a person's hands as they type on a laptop computer


A lesser known type of social media site is a review site. These platforms focus on aggregating reviews for a specific type of product or service, but unlike simple review aggregators (such as Trustpilot or Sitejabber), a review based social networking site allows users to interact with one another.


Goodreads and Letterboxd are two popular social media sites for posting reviews. Goodreads allows users to post reviews on books, build "shelves" of books, and interact with other users who have similar reading tastes. Letterboxd does the same, but for film.


Rate Your Music and serve a similar function, but focus primarily on music.


Popular review based social media platforms include:

  • Goodreads

  • Letterboxd

  • Rate Your Music




Content Sharing 101


person scrolling through their mobile device


Since its inception in the late 90's, content sharing has been the focus of social media platforms old and new. While initial content sharing focused on text, it has since expanded to include images, GIFs, videos, music, and files.


Nowadays when it comes to content sharing and choosing the ideal social media platforms, the type of content you choose to share matters most. The following section will outline the various types of content and the top platforms for sharing each type.


Types of Content


Almost every social media platform includes some combination of content types, but for the purposes of this section we'll be focusing on the primary content type for each platform.




Text-based content is big on microblogging platforms and social networking sites.


On these sites, communication through writing is the focus, but the character limit and level of editing freedom may vary.


Popular text-based social media platforms include Facebook, Twitter, Tumblr, Mastodon, Quora, Reddit, 4chan, and LinkedIn.


Messaging apps such as Telegram, WeChat, and WhatsApp are also primarily text-based.




Images were the second type of content to be shared within social media platforms, and with the advent of Instagram in 2010, they took the lead.


On image sharing sites, the photo or GIF is the primary focus. Text content usually takes the form of captions or hashtags, but is not the main priority of these sites.


Popular image-sharing social media platforms include Instagram, Snapchat, Pinterest, and Tumblr.


Long-form Video


With the introduction of YouTube in 2005, video took the internet by storm. Long-form video (videos longer than 60 seconds) are popular ways for users to seek out entertainment and education.


Popular long-form video sites include YouTube, Vimeo, and Dailymotion.


Sites like Twitch and Rumble are also popular for live-streaming video.


Short-form Video


Short-form video became hugely popular with the release of Vine in 2013 and has since become the most popular video format thanks to TikTok.


Short-form videos are often 60 seconds long or less, and focus on entertainment first, education second.


Popular short-form video sites include TikTok, YouTube Shorts, Instagram Reels, Facebook Reels, and SnackVideo.




Music is a unique content type, and isn't available on most platforms due to copyright concerns. Social media platforms that feature music content often have native music players for easy listening.


Popular social media platforms that focus on sharing music include Soundcloud, Reverbnation, Audiomack, YouTube, and Spotify.


Additionally, sites like Tumblr, TikTok, and Twitch allow users to share music which has resulted in popular music oriented communities.


What Is Social Media Marketing?


person holding up a mobile phone and filming a young man


In recent years, social media has become a powerful sales and marketing tool. With the advent of MySpace, music groups and other media organizations were able to advertise their content and products while interacting with users.


Nowadays, social media marketing involves individuals as well as corporations and organizations. From food bloggers to fashion gurus, streamers to musicians, the potential to become a micro-celebrity is greater than ever with the tools that social media providers.


Popular social media networks for social media marketing include Facebook, Instagram, and TikTok. Social media managers that understand how to leverage social media optimization can enjoy increased sales, click-through rates, and overall exposure.


Key takeaways: Social media marketing is the practice of promoting and advertising products, services, or brands on various social media platforms to reach and engage with a target audience.


Social Media Platforms: The Ultimate Guide


twitter, youtube, instagram, and facebook logos on a black background


In this section, we'll break down the most popular social media websites.


Whether you're looking to choose the right social network for your needs, interested in creating social media campaigns, or want to keep up to date with the latest social media marketing news, we have you covered.


For ease of use, we will only include a social media platform in this section if it is active and allows users to create social media accounts as of the publishing date of this article.


Facebook & Messenger


facebook logo



For many, Facebook is synonymous with social media. Now referred to as Meta, Facebook was first founded in 2004 and has since become the most popular social media network with 2.95 billion monthly active users.


Facebook users have a customizable profile and the ability to add friends, or follow other users or pages.


Like most social media channels, users have access to a Newsfeed, where they can browse updates from friends, pages, and groups that they follow in chronological order, or based on priority.


Business owners or public figures can create Pages that allow them to link to an online shop, announce events and updates, and stay connected separately from their individual profiles.


Finally, Facebook Groups are where users create online communities for specific interests and pastimes. Users can share media within a Group, allowing the creation of micro communities within Facebook itself.


Facebook Messenger allows users within the Facebook platform to communicate in private messages in a one-on-one basis or in groups.




youtube logo



Not only is YouTube the most popular video sharing site in the world, it's also the second most popular search engine after Google!


Founded in 2005, YouTube has since grown to become a social media giant, responsible for starting the careers of countless entertainers and influencers.


On YouTuber, users can upload and interact with long- and short-form videos, create their own channels and playlists, and more.


Popular video types on YouTube include:

  • Gaming

  • Entertainment

  • Music videos

  • Vloggers

  • ASMR

  • Product & service reviews

  • Educational




whatsapp social logo


Founded in 2009, WhatsApp is the leading messaging app, allowing users to share text, image, video, and other content types with their contacts.


WhatsApp is free to download and use and only requires an internet connection. As such, it's popular with travelers who may not have cellular service in the countries they visit.




instagram logo


Instagram took off in 2010, and quickly became the primary image-sharing app around the world.


Initially, Instagram allowed users to share single-image posts that included a caption and hashtag - keyword preceded by the # symbol. The hashtag has since been implemented across many other social media platforms as a way for users to tag content and easily search for similar content.


Since its inception, Instagram has added additional features including the ability to upload video posts, multiple images in a single post (carousels), and the following:



Allows users to save a post and refer to it in their Saves section for later.



Allows users to upload images and short-form video that disappear after 24-hours. Users can add their Stories to their Highlights section if they want to keep them on their profile after the 24 hours has passed.


Editing features include text, stickers, GIFs, and filters for video and images.


Instagram Live

Instagram Live allows users to stream video in real time from their Stories section. Viewers can comment and react with emojis to engage with the streamer.


When a user is Live, a small LIVE badge will appear on their Stories circle.



Instagram Reels are a way for users to upload longer videos than regular posts or Stories would allow. Reels will appear in the Reel section of a user's profile.


Previously, Reels were monetizable, however the program has since been discontinued.





tiktok logo



Launched internationally in 2018, TikTok revolutionized the social media landscape by popularizing short-form video content.


On TikTok, users create brief videos ranging between 15 seconds and 10 minutes long. TikTok has also integrated a Live feature, much like Instagram's Live feature, allowing users to share content in real time.




snapchat logo


Snapchat allows users to share pictures and messages that disappear within a set period of time after the recipient has opened them.


Users can maintain Streaks (the number of times they have sent and received messages with another user), gamifying the message sending process.




linkedin logo


LinkedIn is the primary professional networking platform. Founded in 2002, LinkedIn has many of the same features as Facebook, but focused on employers and employees.


Users create professional profiles that serve as digital resumés, allowing them to be scouted by prospective employers.


They can also create multimedia posts sharing updates on their professional life and endeavors.


LinkedIn also features company and organization pages, where brands can share updates and include information on their business.


The platform also features courses and training that allow users to learn applicable career-oriented skills and share badges on their profile upon completion.



twitter logo

Twitter is a microblogging social media platform where users share thoughts, news, and content in concise messages called "tweets", often using hashtags for visibility.


Twitter's primary focus is real-time communication and allows direct interaction with public figures.


In the past, Tweets had a 140 character limit, though this has since been increased to 280 characters.


Tweets can contain images, GIFs, and URLs that lead to additional content.





pinterest logo


Pinterest is a visually-focused social media platform for discovering and sharing ideas through images or "pins".


On Pinterest, users can create and manage theme-based collections of pins on various topics, often used for inspiration and planning. These collections are referred to as Boards, and will appear on the user's profile in the order they choose.


Pinterest is a popular platform for social media marketing due to its visual focus.


Popular content types on Pinterest include:

  • Recipes

  • Fashion

  • Travel

  • Minimalism

  • Health

  • Beauty

  • DIY




telegram logo


Telegram is a cloud-based instant messaging app known for its emphasis on speed and security.


The Telegram app supports voice, video, text communications, and file sharing in large groups or private conversations.







Reddit is an online community where users submit, vote, and comment on content, stories, and discussions.


Topics are organized into subject-specific boards called "subreddits", referred to by the following format: r/subredditname. All subreddits are subject to Reddit's Terms of Service, but each individual subreddit may have its own terms and rules for users to follow.


Popular topics on Reddit include:

  • News

  • Memes

  • Gaming

  • Politics

  • Self-improvement

  • Music

  • Film

  • Literature





quora logo



Quora is a question-and-answer platform where users ask, answer, follow, and edit content in a variety of topics.


With the closure of Yahoo!Answers, Quora has become the primary question-and-answer platform after Reddit.




tumblr logo


Founded in 2007, Tumblr is a multimedia microblogging platform allowing users to post, share, and follow various types of content.


Uniquely, Tumblr lacks an algorithm, allowing users to fully curate their experience.


In recent years, Tumblr has experienced a fluctuation in userbase due to the banning of NSFW content on the site, resulting in many users abandoning the site in favor of Twitter. Not long after, many users returned to Tumblr due to controversy surrounding Twitter.





soundcloud logo


Known for its role in launching indie artists, Soundcloud is a streaming service and social platform for creators, primarily musicians, to upload, share, and discover music or audio files.




twitch logo



Twitch is a live streaming platform mainly for gamers, allowing users to broadcast gameplay, watch others, and interact in real time.


Despite its focus on gaming, Twitch is also used to share live music, chat shows, and more.




discord logo


Discord is a communication platform designed for creating communities.


Users on Discord can communicate in various channels via voice, video, and text.


Primarily used by gamers, Discord has since expanded to other interest groups and is popular with students.



4chan logo

4chan is an imageboard website where users post anonymously on a variety of topics.


Viewed by many as an alternative to Reddit, 4chan is known for its minimal regulation, allowing for raw and often controversial discussions.




mastodon logo


Mastodon is a decentralized social networking service that many consider to be an alternative to Twitter. Mastodon emphasizes privacy and anti-abuse tools. Users post messages, or "toots", to followers on self-hosted servers.






Similar to YouTube, Dailymotion allows users to upload, share, and view videos, with a focus on premium content and quality discovery features.



vimeo logo



Vimeo is a video-sharing platform emphasizing high-quality content. Used by artists and filmmakers for hosting, sharing, and monetizing their work. Notable for its ad-free viewing experience.





Reverbnation is a platform for musicians to manage their careers.


This platform offers tools for music streaming, website creation, press kits, merchandise, and analytics, and also helps artists find gigs and connect with fans.



rumble logo


Rumble is a video platform viewed by many as an alternative to YouTube that prioritizes creators' control and monetization.


This platform has less restrictive content policies than YouTube, and has a significant presence among conservative audiences.

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