With only 17 days to go until we light the first candle, let's join the flash mob of 150 people brought in by Nefesh b'Nefesh to Ben Yehuda Street in Jerusalem to sing and dance with joy in anticipation of Chanukah.
If you're not familiar with the term, here is the Wikipedia definition of "flash mob."
A flash mob (or flashmob) is a large group of people who assemble suddenly in a public place, perform an unusual action for a brief time, then quickly disperse. The term flash mob is generally applied only to gatherings organized via telecommunications, social media, or viral emails. The term is generally not applied to events organized by public relations firms or as publicity stunts.