East River This very socially-distanced office is floating in the middle of the East River Rusty Blazenhoff
improv everywhere New Yorkers plug in giant boombox found in Manhattan, surprise holiday party ensues Rusty Blazenhoff
co-working spaces Phone booths in NYC turned into co-working spaces by prankster group Rusty Blazenhoff
Pantless and proud NYC (and beyond) Peeps: The No Pants Subway Ride is happening again Rusty Blazenhoff
Hallmark Improv Everywhere 'lights up' random New Yorker's sentimental holiday messages on a 30-foot screen Rusty Blazenhoff
Pop up prank Pranksters create fake Apple store at subway station with 50 people waiting in line Carla Sinclair
improv everywhere Improv Eveywhere's "Surprise Press Conference" – a scrum for everyone Cory Doctorow
mortarboards Improv Everywhere: asking random New Yorkers to give a commencement speech Cory Doctorow
flash mob Global No Pants Subway Ride 2012: gallery of photos larger than you might actually wish to view Xeni Jardin