Human beings don't want to just enjoy something by themselves. They want to share that emotion - they want everyone around them to enjoy it like they enjoy it or hate it like they hate it. That's what makes a video spread.
“There is a reasonable concern that posting raw data can be misleading for those who are not trained in its use and who do not have the broader perspective within which to place a particular piece of data that is raw.”
“The organizational architecture is really that a centipede walks on hundred legs and one or two don't count. So if I lose one or two legs, the process will go on, the organization will go on, the growth will go on.”