3 ms·My old Blackberrys did this well before the iPhone.by ssharp 15y agoMy old Blackberrys did this well before the iPhone.dhimes 15y agoAgreeed. The reason was to ask to be excused for misspellings and sloppy abbreviations in the text of the message.uriel 15y agoEven if others did it before, it is still an annoying line noise.