Mike Abramsky with RBC Capital Markets sees Apple's upcoming iCloud service as more than just a digital "locker" service that will store users' file. To that effect, he sees iCloud allowing Apple to target iPhones at 5.1 billion handset users worldwide, compared to 1.3 billion PC users. iCloud could be an important step for Apple, making it so users are not required to have a Mac or PC to sync the