In its earlier days, Facebook had many hidden messages inside its app. See http://mashable.com/2007/09/10/facebook-easter-eggs http://mashable.com/2007/09/10/fa

In its earlier days, Facebook had many hidden messages inside its app. See http://mashable.com/2007/09/10/facebook-easter-eggs http://mashable.com/2007/09/10/facebook-easter-eggs. That said--and without having much other context for Fred Wilson's idea of "voice"--having fun with a company's homepage may work for some organizations and not for others. (And specifically regarding milestones, Facebook has deliberately taken a much humbler public approach. Let's see what happens when they hit a billion users.)