This document discusses several popular social media apps: Snapchat allows users to send photos and videos to friends that delete after viewing; Pinterest is an image-sharing app where users curate boards around different themes; Vine was a video app where users shared 6-second looping videos; Instagram is a photo and video sharing app where users can apply filters and share to other social networks. All the apps discussed provide privacy settings and are described as safe ways to connect and share with friends and family.