Rebelmouse - New social media aggregator

I accidentally discovered this site and it seems quite interesting. Not sure if anyone here already has an active account over there. I just signed up on the wait list. Here's what they say:


What caught my eye is Fastcompany calling it a mashup of Pinterest/Tumblr/Wordpress,

There are lot more references, but i'm sure you guys can read on. To me it sounds a bit like paper.li but a more visually appealing version of sorts.