The more readers use the Bible app, the more valuable it becomes to them. Switching to a different digital Bible - God forbid - becomes less likely with each new revelation a user types into the app, further securing YouVersion's dominion.
Twitter is all about user experience - the fact that it is so easy, so clean, so unencumbered has won it so many users and fans, for so many different reasons.
We're always doing a lot of user studies on health and safety. We take it super seriously. But if you look back at the history of most new big technology breakthroughs, there is some element of controversy around what impact is it going to have.