If I'm building an app that requires a Facebook login, users' first gut reaction is, "this app is going to spam my wall and my friends' walls, isn't it?" How do you get around that? Tinder is an app ...
I always had a sort of a pet-peeve with mobile applications asking, out of the blue most of the time, for access to my Contacts, Calendar, Location etc. As far as I can figure, my reluctance in giving ...
User fills out a form on mobile site (not app). Is it possible to predefine his mobile phone number in the form?