What are some alternatives?
When comparing Flipagram and Chill, you can also consider the following products
Flickr - image and video hosting website
Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
Twitter - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
CyTube - Free, open source synchtube
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
sup - The first creep-free way to see nearby friends