Let’s be clear: the technological dimension to Egypt’s revolt is not the most interesting aspect. Far more interesting is the actual activities of the people involved, their courage, conviction, and indeed tactics; and what will happen in Egypt now that ‘regime change’ is underway.
Nevertheless, many commentators will look back at the Tunisian and Egyptian revolutions and note the prevalence of new social networking technologies such as Facebook and Twitter. Both have been central to the organization of protests and movement of information. Below is a cool diagram which tries to show the strength of relationships across Twitter: the bigger the Tweeter’s circle, the more followers they have. [Edit: I found the image here]