I have been on LinkedIn almost from day 1. I used to go to the site just to answer questions from other users. After LinkedIn read my post, "A Strategy for LinkedIn", they began offering user generated content and the number of users started to grow even faster. (I do not know if any executive at LinkedIn ever read my post, but they did what I recommended.)
The user generated content on LinkedIn is the reason I use the website. The quality is not as good as Google+ but vastly superior to Facebook. Recently,in addition to re-posting SF blog posts there I have started putting up status updates. Whether an update or blog post I notice that if I get one "like" I get 30 additional views. For you mathematicians, 9 likes produces about 270 additional views.
Just wondered if anyone has quantified the value of a "like" on LinkedIn or anywhere else. Any info would be suitable for the comments.