Guys like Dustin Moskovitz, who was there at the beginning, have dumped material amounts of Facebook stock after lock-ups expired while newer employees, like David Spillane, have sold a big percentage of their Facebook holdings.
Some of Lock's routine-based material is the best around, but the overall performance seemed to try to cover a variety of areas - linking in with the Wikipedia-esque tour title "Lockipedia" - some are successful and others not so.
And as a consequence of extraordinary cooperation between our three countries that actually predates my administration, but was accelerated as a consequence of this Nuclear Security Summit, we've been able to effectively lock down and secure all this vulnerable material.