Quite true. It would be better, though, to be able to use an instant messaging system using a simple identifier lie an e-mail address, as an alternative to a ph

Quite true. It would be better, though, to be able to use an instant messaging system using a simple identifier lie an e-mail address, as an alternative to a phone number. Simply because there are quite some people out there who mainly want to message on a computer, and want to keep only some kind of messages on their phones.