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 ShirkyPublishing is not evolving. Publishing is going away. Because the word "publishing" means a cadre of professionals who are taking on the incredible difficulty and complexity and expense of making something public. That's not a job anymore. That's a button. There's a button that says "publish," and when you press it, it's done.
Clay ShirkySociety doesn't need newspapers. What we need is journalism... When we shift our attention from โsave newspapersโ to โsave societyโ, the imperative changes from โpreserve the current institutionsโ to โdo whatever works.โ And what works today isnโt the same as what used to work.
Clay Shirky