Apple releases another beta update for iPhone 3.1 OS. As usual, the update is not for general public but for developer only. With the early access, developers from whenwillapple have found at least two new features in this release:1. Copy & Paste Support for video2. Tether data usage Copy & Paste Support for Video Clip One of the prominent features in iPhone 3.0 OS is the support of cut, copy & paste across all applications. You can easily copy & paste a portion of text or text with images between applications. Now, the support extends to video. Developers with early access to the beta OS found that you can even copy & paste...