Is representative democracy obsolete?

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Controversial Idea: Is Representative Democracy obsolete?

Thnk about it... the Greeks invented democracy, where any one who cares enough to argue policy can go down to the forum and join in the debate. But then, Greece back then are small city-states, each a government onto themselves.

Then comes the republic, when the distance prevents people from voicing their opinion directly, so representatives are chosen to speak for the people, so you don't have 10000 people stampeding into the capital just to get their voices heard.

Now, with the advent of telephone, TV, and advanced communications, it is possible to practice full democracy again... You no longer have to go physically to the government to be heard. There's e-mail, fax, phone, and so on. And if you care enough, you can always go physically.

So is representative democracy, i.e. republic, obsolete?