Eurovision 1971: Woman Freezes Mid-Applause Mark Frauenfelder 11:38 am Thu, Dec 10, 2009 Improv Everywhere travels back in time to 1971, or mind-lock virus? (Via Arbroath) Previously:Latest Improv Everywhere perfomance: man gets "lost" at Knicks …Subway yearbook photos from Improv Everywhere – Boing BoingImprov Everywhere: No Pants! Subway Ride – Boing BoingImprov Everywhere: mass twins on subway – Boing BoingFood Court Musical, by Improv Everywhere – Boing Boing