"It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change."
Somebody at NBC might have read this quote by Charles Darwin and started considering embracing the change that YouTube has brought to the distribution of user-created videos and movies.
There now seem to be other people at NBC who also believe that this could be a smart move, since until only very recently NBC took a different stance, and now they are inking a deal with YouTube.
Meanwhile, ABC remains stubborn.