Facebook is a social networking website and mobile app where users can post comments, share photographs and links to news articles and websites. You can private message and stream live video. Shared content can be made publically accessible or it can be restricted using privacy settings.
As of January 2018, Facebook has over 2 billion active monthly users which is split almost 50/50 between males and females. 87% of online users between the ages of 18 and 29 are on Facebook. over 50% of online seniors (over the age of 65) are on Facebook.
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Twitter is an online news, microblog and social media website and mobile app where people communicate in short messaged called "tweets" of no more than 280 characters (previously 140 characters). Users can include images and gifs with their tweets. Tweets normally include relevant hashtags making it easy to sort through content. Users will follow other users accounts to see their tweets on their newsfeed.
As of January 2018, Twitter has 330 million active monthly users with almost 40% being between the ages of 18 and 29 and 25% being between the ages of 30 and 49.
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Instagram is a free, online photo-sharing application and social network platform owned by Facebook. Instagram allows users to edit and upload photos and short videos using the mobile app. Users can add a caption, hashtags and a geotag to their posts. Posts appear on their followers' Instagram feeds for viewing.
As of December 2017, Instagram had 800 million active monthly users with about two thirds of them being female.
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Pinterest is a social media website and mobile app that allows users to organize and share images and videos from around the Web. Images uploaded by users are called Pins and may be organized into pinboards, which may be customized, themed and followed by other users. Users can also like or repin content shared by other pinners. Much like Twitter, any pinner can follow another.
As of January 2018, Pinterest has 175 million active monthly users with most users being female. Millennials user Pinterest as much as Instagram and the majority of active "pinners" are below the age of 40.
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A mobile messaging service from Snap Inc. that sends a photo or video to someone that lasts only up to 10 seconds before it disappears. During that time, the recipient can take a screen shot, and the sender is notified that it was taken. It is well known for its picture filters and lenses.
As of February 2018, Snapchat has 187 million active daily users with its main demographic consisting of millennials.
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