The 16 most essential social media apps in the world

Thanks to social networking apps, it's never been easier to keep in contact with your friends.

Many of the best social networking apps out there have been around for a while, but as smartphones get smarter, so do the apps, and you can now do more than ever.

From fan favorites like Instagram and Facebook to newcomers like live-streaming Periscope, there's never been a better time to find a social network that's tailored to your tastes.