The problem is that while they're still standing, governments can snuff out Facebook and Twitter whenever they like. All they need do is flip the "off" switch on the servers, routers, and wireless equipment used by local service providers.
Just ask Bill Gates.
When US TV anchor Katie Couric asked the Microsoft co-founder and chairman if he was surprised that Egyptian president Hosni Mubarak could take the unprecedented step of killing the entire Egyptian internet, Gates responded with an emphatic: "no".
Sometimes, he knows what he's talking about.
"It's not that hard to shut the Internet down if you have military power where you can tell people that's what's going to happen," Gates said. "Whenever you do something extraordinary like that you're sort of showing people you're afraid of the truth getting out, so it's a very difficult tactic, but certainly it can be shut off."
Web traffic analysis firm Renesys tracking the black out encapsulated the enormity of the situation here:
Every Egyptian provider, every business, bank, Internet cafe, website, school, embassy, and government office that relied on the big four Egyptian ISPs for their Internet connectivity is now cut off from the rest of the world. Link Egypt, Vodafone/Raya, Telecom Egypt, Etisalat Misr, and all their customers and partners are, for the moment, off the air.
Comment: The problem with these devices, outside of the obvious privacy issue, inconvenience and fear-mongering is simple. Full-Body Scanners Used on Air Passengers May Damage Human DNA and Airport body-scan radiation [should be] under scrutiny. Is it also possible that, for the public there is going to be a chalk image and in a control room the full nude image? We're left to wonder.