What are some alternatives?
When comparing Imvges and vi.sualize.us, you can also consider the following products
Pinterest - Pinterest is a visual discovery tool that you can use to find ideas for all your projects and interests.
Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
weheartit.com - We Heart It lets you create an online album (a heart) with your favorite images and videos.
Digg - Digg delivers the most interesting and talked-about stories on the Web right now.
Pinry - Pinry is a private, self-hosted, Pinterest inspired by Wookmark and built on top of Django.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.