Right now it works off of your contacts in your phone, but we're adding more ways to find and invite your friends like Facebook, GMail, etc. Your close friends are most likely already in another social network, and since they're open, it should be easy to cultivate that data.
We will expand beyond iPhone to every platform as quickly as we can within reason. On that note, we're hiring! http://gotreehouse.com/jobs
One of our biggest challenges will be how to fuel adoption and overcome the initial hump. We know it will take time but we are very confident in what we're building, and we'll keep iterating on ways to make it extremely easy to get your friends involved.
Once a user has 5 of their friends active, engagement takes a big leap.
We will expand beyond iPhone to every platform as quickly as we can within reason. On that note, we're hiring! http://gotreehouse.com/jobs
One of our biggest challenges will be how to fuel adoption and overcome the initial hump. We know it will take time but we are very confident in what we're building, and we'll keep iterating on ways to make it extremely easy to get your friends involved.
Once a user has 5 of their friends active, engagement takes a big leap.
There's another article that talks more about the general space/problems here: http://social.venturebeat.com/2010/06/15/treehouse-facebook-...