You might want to display some kind of prompt to the user, when they change a setting, to tell them they should create an account. Probably would also help your conversion rates too.
Aside from the fact that nobody knows how to value BTC?
A large number of early adopters probably have no experience trading large volumes of any security, and the of Bitcoin is likely to look very different from any existing currency/commodity.
It was great to click through and learn that the funding was a grant. With that kind of a number, I thought they had raised a VC round - not that companies working on open source projects is bad, but it is always nice that they don't have to worry about a business model.
Developing this space as a college undergrad means you should be able to do some things really well. Event planning, for one, seems like something people in their mid or early-twenties could disrupt. It'll be interesting to see how your perspective translates to older users. Especially because you can't dogfood a dating site (even OkCupid's founders never used it).
Thanks for the comment! We're gathering a lot of different events that cover a variety of interests, so we're hoping that we will have something to offer for everyone.
I'm reading the article as validation for viral marketing, as targeted towards the big link-sharing sites. I don't remember the last time a startup hit the front page of Reddit. Surely it's happened, but I thought it would happen more than it has, since that site is about sharing links to things on the Web.