By “social maturity” you mean?
Also, I’m not sure if they can continue to respect privacy if Nadella achieves his integration vision with Office 365.
Lastly… have noticed how much frivolous posts and fake profiles there are on LinkedIn now, all to attract followers. (there used to be some but its becoming an open field with checks and balances all but gone…)
Mind you, LinkedIn is also the only social network I invest any time in, that’s why I’m worried they are going sideways for short term qoq ROI.