I think most of us would love to give feedback, but at first glance it seems requires all the "friends" to use the same paid app is not something easy to tag along.
Besides, I am using Android now ;-) so...
Just a side note, for solutions that needs social networking to work, it would be extremely hard to charge people up front. You gonna have to give it away for free (first) to earn some viral effects to kick in.
Besides, I am using Android now ;-) so...
Just a side note, for solutions that needs social networking to work, it would be extremely hard to charge people up front. You gonna have to give it away for free (first) to earn some viral effects to kick in.