LinkedIn went through phases every 18 months or so of switching schizophrenically between "Our problem is lack of engagement, we need new features to entice our

LinkedIn went through phases every 18 months or so of switching schizophrenically between "Our problem is lack of engagement, we need new features to entice our userbase to come back on a daily basis" and "Our problem is lack of focus, we are going to kill a bunch of features and return to our core competency". Nothing ever shipped to break that cycle.