Sometimes, it's what you don't say that matters. When asked at Google's Big Tent Summit about when Google Now might show on the iPhone, the company's Eric Schmidt told a questioner that he'll "need to discuss that with Apple," and that there was no certainty Apple would approve what Google sent. Conspicuously non-committal? You bet -- but the statement also suggests that a Google Now release is just a question of whether or not Apple gives the thumbs up, not whether the iOS port exists at all. We'd add that the remarks sound eerily familiar. Schmidt was saying similar things about Apple's responsibility when he