Filed under: TUAW BusinessEver since the iPhone 4's announcement we've been waiting for the Talkcast where we could say "Hey, how is everyone enjoying the new iPhone 4 magic?" Little did we know that it would be a discussion centered around the precise grip patterns of the average mobile phone user and the conductivity of human skin. Guess that's just the way things go sometimes -- and we're all hoping for some updates tomorrow that may alleviate the issues.