There were two critical masses that led to the resignation of Egyptian president Hosni Mubarak on Friday: One was the horde of protesters who flooded Tahrir Square in the country’s capital of Cairo for two weeks. The second was the fusion of millions of observers, pundits, and supporters around the world into a sort of leaderless digital watchdog, an unwavering force that ensured the international eye would not stray from Egypt.

It’s the latter where we can credit social media.

We shouldn’t go so far as to call this a social media revolution, but it nevertheless is arguably the first time in history that we’ve seen Facebook and Twitter, a crucial part of the way we now communicate, speedily and successfully conveying the ideas and beliefs that do lead to a revolution . .