Email is not gone but it is dead in the sense that it is no longer a site of deep emotional passion. People still have accounts, just like they still have mailboxes. But their place for sociable communication is elsewhere.
First, switching costs into and out of channels are falling. As channels become intrusively commercialised they will simply be discarded in favour of less polluted channels because the switching costs are lower than the costs of trying to use a medium tha
