coming soon to FB
'Hello Dave. We notice that you have been reading this page for the last 10 seconds. In view of the inordinately long time we would like to recommend that you might like to read the following pages....'
And hidden text that says 'so that we can continue to pump even more adverts at you every 'N' seconds.
Facebook is IMHO nothing more than a tracking system for the NSA that is funded by the adverts that it pumps out at you the victims.