The highly anticipated iPhone iOS 4.0 was released today and as an iPhone and overall Apple fan, I set out to download and install it right when it was released at 10 AM PST. Luckily, I have an iPhone 3GS, so I can reap off of all the benefits of this upgrade. The original iPhone and iTouch, however, were completely excluded from this upgrade, and the generations in between only received a few upgrades. For iPhone 3GS users, there were many significant upgrades. … more