The main is "nonviolent action" of Gene Sharp. Holding a square for weeks, and waiting for violence to discredit government wasn't a normal normal way to make a revolution before this method was used.
What about Ghandi in India? Or Mohism in China in 400BC? The idea that the color revolutions are the first to popularise using nonviolent resistance to gain a moral upper hand against an opponent, is plainly ridiculous.