Acts of communication, by themselves, aren’t especially interesting. We’ve always had protests, riots, and revolutions, and the people who carried them out have always found ways to spread the word. If the medium for those communications shifts from word of mouth, to printed flier, to telephone, then to texts and Twitter, what does it really matter? Technology becomes an important part of the story only if it’s changing the nature of the events — and the nature of the social groups that are carrying them out.
See also: How to run a protest without Twitter