I think today can be proudly called: The Day That The Internet Stood Together In Unison.
I really hope that there aren't too many more reasons that action like this will be required again within my lifetime, but extrapolating from the way things have been going over the last couple of years I seriously doubt it.
I think one cool byproduct is the realization that we share much more in common with a group of people, not because of their home state but rather because of their core beliefs.
Living abroad, this becomes all to evident when people expect you to attend functions simply because you are all from a different geographical area (read: expats).
Never had any doubts about on which site Facebook really stands. The bigger surprise to me is the absent of Twitter on the protests. I didn't expect them to join the -Tech companies putting profit over principles- club.