Well, it's pretty clear that Stanza (from my first link) got in hot water with Apple given they pulled the feature at Apple's behest. As for the address book t

Well, it's pretty clear that Stanza (from my first link) got in hot water with Apple given they pulled the feature at Apple's behest. As for the address book thing, I can't name any specifics as I don't follow iOS overly closely; I just know it's a hack I've seen mentioned enough times that it seems to be fairly common knowledge that it can be done, just with the caveat that it's also against the rules.