They don't use those hashes, they use content fingerprinting: http://en.m.wikipe...

		icebraining on Jan 28, 2015 \| parent \| context \| favorite \| on: Google: YouTube is so overloaded staff cannot filt... They don't use those hashes, they use content fingerprinting: http://en.m.wikipedia.org/wiki/Digital_video_fingerprinting