What are some alternatives?
When comparing Flipagram and Imgur, you can also consider the following products
Flickr - image and video hosting website
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.
Photobucket - Photobucket offers image hosting and free photo and video sharing.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.
Tumblr - A feature rich and free blog hosting platform offering professional and fully customizable templates, bookmarklets, photos, mobile apps, and social network integration.