Slightly curious, this exact linked-to article had a different headline less than a week ago, specifically "What Comes After Email"[1]. Furthermore, there were a number of minor edits made which removed any of the "Email is dead!" thesis. So somehow, in that small amount of time, email was resurrected at the hands of The Atlantic editors.

[1] http://www.theatlantic.com/technology/archive/2016/01/what-c...