Online shoppers looking to spend the holiday season firmly planted on the couch can add the iPhone 3G back to their lists -- we've just confirmed that Apple and AT&T have quietly brought back in-home activation. Sure, it's been available in limited circumstances before, but now it's here and for real, just like with the first-gen unit. Would-be unlockers can't start celebrating just yet, though -- you'll still have to provide your billing details and face an ETF if you don't activate within a set period of time. At least it's convenient, right?Filed under: Cellphones