Why on Earth would we need (let alone want) a closed system, let alone a single corporation, virtually monopolizing something as basic as sharing CVs and job listings -- these are things the internet was made to allow many-to-many decentralized methods for achieving. We won't bother creating a "KillLinkedIn" domain but chose this one. See also:
&bull killfacebook.org (which after the critique, lists some nascent and some small but growing alternatives)
•Fortune: The Internet As We Know It Needs A Complete Replacement (embedded video worth watching) With #Blockchain #Ethereum among other things.
•Our early 2000's vision is coming true, slowly but surely? uPangea: Universal Profile And Networking: GEography and Affinity of course we're far from first; for many of us, decentralizing the internet is "back to the future" thinking of 1990s (e.g. Usenet) and before.
"It [uPangea] is a good idea. I would not mind lending my voice to encourage people to help, but I can't take the lead. Do you want to?"
-Richard Stallman, writing us back in 2003.