Social networks by the decade.

Jack Dorsey, March 2006: just setting up my twttr Eugen Rochko , March 2016: Hello world It barely occurred to me that Facebook, Twitter, and friends had been around for two decades. But the slowly evolving feeling of their effects, initially one of enthusiasm, amazement and wit, with room since made room for some graveness and foreboding, is there for the recalling. What surprised me even more,…