Those live, ongoing connections to *people* - not your old posts or your identifiers - impose the highest switching costs for any social media service. Myspace users who were reluctant to leave for the superior lands of Facebook (where, Mark Zuckerberg assured them, they would *never* face *any* surveillance - no, really!) were stuck on Rupert Murdoch's sinking ship by their love of one another, not by their old Myspace posts.
37/