According to a source who would have reason to know, the fourth-generation iPod touch is changing back shapes—sorry, readers who have been posting with love for the dome-like curved iPod touch 2G/3G back, but that’s going away. And it’s not going to be glass like the iPhone 4, for all of you folks who were fear accidental shatters like the ones we’ve heard Apple Stores are continuing to see on a daily basis. The new shape…
