I can't help but suspect this will be the end of LinkedIn. Why would any firm want Microsoft to have control of so much potential competitive intelligence? As well as the ability to potentially interrupt / snoop on critical communications? Yeah, LI messages aren't as important to most people as plain email, but LI messages are used for a lot of recruiting and B2B sales stuff. Think about it like this: if I compete wi…
It's not really up to other firms though, it's up to the employees who see value in the social network.
OTOH, maybe most people only use LI as an online Rolodex and maybe it'll all turn out to be a moot point. But it still seems dodgy to me to have a major industry player like MS owning LinkedIn. I think I'd find it questionable if anybody else had acquired them as well, although Microsoft's history does add some emphasis to the whole thing in my view.