You are right. Here's the discussion from a month ago: https://news.ycombinator.com/item?id=43601213 https://news.ycombinator.com/item?id=43601213 This iPhone

You are right. Here's the discussion from a month ago: https://news.ycombinator.com/item?id=43601213 https://news.ycombinator.com/item?id=43601213 This iPhone feature exists probably to save a few taps when people text you their new phone number. But it fails to account for the fact that this is not the only reason phone numbers happen to be in texts.