D&D-related Videos and Flash Mobs

A few blogs have recently posted the following videos, and I found them amusing, so I decided to repost them here for your consideration:





All of this made me remember the following:



Then there's this goodness surrounding someone calling himself the Dungeon Bastard. Here's his PSA video:



I have to admit that these unfortunately made me think of all those videos of people dancing to the horrendous "Tonight's Gonna Be a Good Night" song by the Black Eyed Peas. It also made me think of flash mob videos for some reason. And that got me thinking...so here's a thought and a question:

I feel like there needs to be a D&D "flash mob" phenomenon, where people spontaneously start playing D&D in public places. What do you all think of that?