Indeed, the best practical reason to think that social media can help bring political change is that both dissidents and governments think they can. All over the world, activists believe in the utility of these tools and take steps to use them accordingly. And the governments they contend with think social media tools are powerful, too, and are willing to harass, arrest, exile, or kill users in response.
Clay ShirkyA revolution doesnโt happen when society adopts new tools. It happens when society adopts new behaviors
Clay Shirky