I recently became a member for Dropular, a social media bookmarking site. Basically you bookmark images, webpages and videos and they get thrown into the communal pile. Logging into Dropular the homepage let's you see what was last thrown onto the pile, in order of most to least recent. Selecting things on the pile
then displays a list of other things on the pile that are similar. And then there's the usual options of being able to tag, search tags and follow specific users' contributions.

So it's ffffound, basically, the key differences being that you can add videos and webpages, and I was able to score a membership, and like fffound it is proving to be an excellent visual resource. It's where I found that splendid image you see above.

Sorry for all the quotes recently, but I've been doing some research and these things pop up.
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