[tedd4u]

This is old news but we put together a 100M item dataset from Flickr as well, all Creative Commons licensed, including lots of metadata from users as well as some pre-computed features. It's called the YFCC100M.

http://yahoolabs.tumblr.com/post/89783581601/one-hundred-mil...

[mapmap]

Is a Creative Commons license for research only or can it be used for commercial purposes if you attribute the original author?