2009 Apr 7, 12:45"First, you started up the application and picked a video clip. The video clip just sat there. As you started clapping, the video clip started playing. If you clapped at about 80 beats per minute,
the video clip played at its normal speed. If you clapped faster, the video clip ran faster. If you clapped slower, the video clip ran slower. If you stopped clapping, the video clip stopped. It was
freaky cool. Totally useless, but freaky cool."
humor clap video raymond-chen filter-graph reference-clock