It’s a huge mistake to remove password prompt for free apps in iOS 6
According to sources with access to the developer beta of iOS 6, the next version of Apple’s mobile operating system will allow users to download and install free apps without requiring a password. If Apple doesn’t fix that before iOS 6 is officially launched, it will significantly impair the security of iOS devices.
Read more: It’s a huge mistake to remove password prompt for free apps in iOS 6
Story added 28. July 2012, content source with full text you can find at link above.