Clash of the titans: Email v social media

The truth however was a little more prosaic. At the launch of the social network’s new messaging platform, he had said "we don’t think a modern messaging system is going to be email", and that the new system was "not email".
Mr Zuckerberg wasn’t the first to suggest that email is obsolete, and neither has he been the last.
Email has come a long way from the first message sent by programmer Ray Tomlinson across a network back in 1971.