PCWorld posted 10 reasons to upgrade to iOS 4
The Apple's iOS 4 arrives Monday for owners of the iPhone 3GS and third generation iPod Touch, delivering a bevy of new features worth the upgrade. If you're not getting an iPhone 4 (by choice or limited stock availability), iOS 4 should supercharge your old iPhone with new tricks until your next upgrade.Apple iPhone iOS 4 Arrives: 10 Reasons to Upgrade
Apple has not specified what time it will be releasing iOS 4, but if last year's 3.0 release is anything to go by, expect the new operating system to hit the tubes sometime after 1 p.m. Eastern/10 a.m. Pacific Time. Patience is also a must, as millions of devices are eligible for the free upgrade, putting a lot of pressure of Apple's servers.
