LinkedIn is great if you need more emails in your inbox to boost your self-importance quotient, but I haven't heard of anyone in my sphere that was discovered and hired due to LI.
It seems all of the technology companies are givin their best effort to invading privacy and undermining trust on a societal level. There will be lasting consequences for these behaviors.
really depends on your job profile. it is a big factor in consulting and similar jobs. very job mobile crowd, hard to keep track where they are right now - linkedin makes it easy.
self updating rolodex for people that change employers frequently.
It seems all of the technology companies are givin their best effort to invading privacy and undermining trust on a societal level. There will be lasting consequences for these behaviors.