Bumble is a swipe-based dating app.

Tinder is a swipe-based dating app with over 50 million users.

Grindr is a dating app geared towards gay and bisexual men.

Vine is a now defunct short video sharing app.

Tellonym is an anonymous messaging site and app where users can “find out what the world wants to tell you.”

TikTok / Musical.ly is a video-sharing app with over 500 million active users. Users share video clips of lip-syncing, performing vocal covers, dancing, and even performing quick jokes. As with any live streaming site, it has its issues.

Snapchat is a popular photo-sharing and messaging app for teens. It’s mainly used to send photos and images to friends, which disappear after a few seconds.

Amino is a social networking app with forums and chatrooms for people around the world to discuss different topics. It was designed with teenagers in mind and the average user spends over 70 minutes a day on Amino.

YouNow has hit the market as a live-streaming app that’s truly streaming your entire life. It’s more than a Snapchat video or Instagram Stories; users are broadcasting everything they’re doing, to extreme measures.

Twitch is a live-streaming app with over 15 million daily active users.

Twitter is a social media networking site in which users create posts that are 240 characters or less along with photos and videos.

A photo and video sharing platform with over a billion users.