We ran an event about a month ago with a funny twist on elevator pitching in probably the oldest [1] one of these in the world in the Vienna's House of Industry:

https://www.youtube.com/watch?v=WRYcLj83B1Q

Good fun, more time than your classic elevator pitch and no one got hurt :)

[1] https://translate.google.com/translate?hl=en&sl=auto&tl=en&u...