My first impression is that it looks like all the usual "news" links on reddit (which means that mashable is in the mix) with pictures from twitter thrown in. Sure, there is a "confirm" and "refute" mechanic, but it still uses upvotes. I mean, it has a ticker on the side that says who is upvoting what in real time. Also, it seems like the site assumes that users will know how to fact check things and that individuals will fact check against each other. That presumes a lot (probably too much). The site looks slick though.
It looks like at the moment it's a bunch of twitter users who have found it, what with all the FirstnameLastname usernames. I also have not found any discussions. Basically it looks like tumblr for select news stories. Their slogan could be, "ride the wave of the future . . . quietly".
I said it looks slick. Consider also that I mentioned user fact-checking (the confirm and refute mechanic). Generally, if all that a person has to say about something is some version of "well, it looks nice" with no mention of function or value, that is a polite way of dismissing it or saying that it's not quite living up to its potential.