I'm wondering if anyone would be interested in putting together an open repository that we can all use the complete phone books of the USA.
What was your experience in developing and publishing those apps like?
We are trying to evaluate and learn pros/cons about each marketplace, time to publish, support from companies, type of data that can be accessed, encryption, etc.
When storing information about users, would two autonomous apps identify the user by the same id in each respective database?
I install app_1 in my iPhone, how is my user id created in app_1's user db?
Then I install app_2, would the iPhone use the same user id?
Or does the user id completely depends on how it was programmed on each app?
What if those apps use social networks to allow me to sign-in? and I use facebook in both?