I can't answer the question of how LinkedIn become what is today but having had a presence there for close to a decade now, I can't say I ever remember it being anything else than the cringe worthy place it is.
As a way of maintaining a social graph with other professionals and keeping a publicly available resume, it is fine.
But the feed and the posts? Can't imagine why anyone would care for that part if it.
As a way of maintaining a social graph with other professionals and keeping a publicly available resume, it is fine.
But the feed and the posts? Can't imagine why anyone would care for that part if it.