The Verge:

Over the course of the past week, a firestorm has erupted in the world of iOS apps, thanks to the discovery that Path was uploading data from your iPhone’s address book without asking for explicit permission.Stated simply: any iOS app has complete access to a large amount of data stored on your iPhone, including your address book and calendar.Over the course of the past day, we have been using the method explained by Arun Thampi (who discovered Path’s privacy violation) to investigate several dozen popular iOS apps. Our findings should bring both comfort and concern to any iPhone user.