Yes, but it means it will never be an email replacement. The people without smartphones that I work with can use email. I can get to my email anywhere, everyw

Yes, but it means it will never be an email replacement. The people without smartphones that I work with can use email. I can get to my email anywhere, everywhere, whether I have a phone or not. Of course that may be considered an anti-feature from the point of view of security, but it explains why IM apps can not replace email.