Getting worked and angry with a keyboard is easy. In the past if you wanted to express anger and resentment towards someone or something you had to take a risk and potentially find yourself in a Gulag. Today, everyone can bitch and be quick to react aggressively thousands of kilometres away without any danger.
Now, the uprisings like the Arab spring, really due occur faster and require less because of technology but sadly it's exactly like you said the result are futile most of the time. It will be truly interesting to see how all this evolves in tje future.