"If my friends are on app.net, I will use it." This is the crux of the matter. I don't see how enough of my friends will ever be on App.net for me to pay for i

"If my friends are on app.net, I will use it." This is the crux of the matter. I don't see how enough of my friends will ever be on App.net for me to pay for it, especially when I already use free products that have the same functionality.