Earlier this month Apple let developers get a glimpse of iPhone OS 3.1 with beta 2. Today, however, they have released the followup, beta 3. There’s really not much to go along with this announcement so if you’re an iPhone developer, head here to grab both the OS and the SDK.

September is the glorious month when iPhone OS 3.1 will be available and that’s when you can expect augmented reality apps to be available in the App Store. You could certainly do well without augmented reality applications but since they become more and more frequent, why not take advantage of them? How does exactly augmented [...]