Yep, I just use the free Twitterrific client on the iPhone and it actually serves high quality, unobtrusive, and occasionally helpful ads via The Deck. I've nev

Yep, I just use the free Twitterrific client on the iPhone and it actually serves high quality, unobtrusive, and occasionally helpful ads via The Deck. I've never been bothered by them enough to consider jumping ship. Advertising isn't inherently undesirable, but even if it were, its annoyance would still have to exceed the cost of migration for users to make a switch.