broad group

A subtitled edit of the 1987 Max Headroom broadcast signal intrusion, in which hijackers interrupted Chicago stations WGN and WTTW.

Amateur footage from the 2009 Sasquatch music festival in which one person starts dancing alone and a crowd gradually joins in, turning it into a dance party.

Ian Piumarta's 2007 Stanford EE380 lecture on building a dynamic programming environment from the ground up, from the Viewpoints Research Institute's work. It covers the design of a language and system with a recursive design, parsing through code generation, and the COLA architecture.

Australian comedy group Axis of Awesome perform a sketch showing that dozens of pop hits share the same four chords. It was recorded at the 2009 Melbourne International Comedy Festival.

Tom Lehrer performs his satirical song "National Brotherhood Week" with a spoken intro. The song mocks superficial displays of tolerance while prejudices between groups carry on.

A clip of the Yes Men posing as a Dow Chemical spokesman on the BBC and announcing compensation for victims of the Bhopal disaster, a hoax on live television.

A fan-made video of the Simpsons Stonecutters Song, in which a secret society takes credit for controlling world affairs, with lyrics and stills from the show.

Tom Lehrer performs his satirical song about poisoning pigeons in the park, in a rare 1967 Norwegian broadcast recording.