All communities including online ones take less outsiders over time and grow old and tired. Google and Facebook are no exceptions to the inevitable business lif

All communities including online ones take less outsiders over time and grow old and tired. Google and Facebook are no exceptions to the inevitable business lifecycle treadmill on which they could be on the downtrend. As the companies become dominated by decision-makers who are no longer agile and a user base who are ever more inert (read: old), their products lose mindshare and their companies lose vitality, to be replaced as a community by upstarts.