It led me to 3 different jobs. All three started through LinkedIn communication. During the resume portion of the processes I used LinkedIn Labs to generate a resume from my profile (laziness). In some unfortunate happenstance, it seems the Labs were killed off just yesterday [1].

So, positives are there for me so far.

[1] http://techcabal.com/2016/02/08/linkedin-has-quietly-killed-...