In the heyday of the Facebook hype (it seems so long ago now!), Facebook was going to eat LinkedIn
’s lunch. Based on recent experience, I don’t think so.
I recently had reason to use LinkedIn seriously, using my existing network to tap into a market that I had not previously been exposed to. I had not used LinkedIn since the early days, so this was my first serious update.
1. LinkedIn mirrors real world relationships but does not change them. I assume the same is true on Facebook. More to the point, attempts to use LinkedIn to change real world relationships can be counterproductive.
2. I can bye-pass the network and avoid paying the fees. The 'professional' users of LinkedIn tend to be sales people or recruiters. In other words people who network for a living. They are the ones who will pay the fees that LinkedIn charges: