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Meet the latest force to take on the blogosphere

The US singer has overtaken Britney Spears to become the most followed person on social networking site Twitter.

The hunt for aliens should allow for the fact that ETs may be thinking machines rather than like us, a leading researcher says.

Iranian President Mahmoud Ahmadinejad unveils his country's first domestically built, unmanned bomber plane.

The European Space Agency battles to recover its Goce gravity satellite which has been struck by a second computer glitch.

An arrest warrant for Wikileaks founder Julian Assange on rape accusations is abruptly cancelled by Swedish authorities just hours after it was issued.

Swedish officials say they have issued an arrest warrant for Wikileaks founder Julian Assange on accusations of rape and molestation.

Documentary filmmaker Michael Moore donates $5,000 (£3,900) to defend the man suspected of giving classified documents to the website Wikileaks.

Twelve people are to appear in court accused of using stolen credit cards to make money by buying their own songs through iTunes.

Kenya has great ambitions to establish itself as a tech-hub for Africa. But can it really keep up the pace of innovation?

Why fill your house with 1,200 old radio sets?

Can you really watch TV and e-mail at the same time?

Hackers claim they will release the first product to allow gamers to play homemade and pirated games on the PlayStation 3.

Virtual reality is allowing scientists to ask difficult questions about human behaviour.

Virtual reality is allowing scientists to ask difficult questions about human behaviour that were previously not possible.

A body representing some of the biggest names on the net holds closed door talks to discuss the future of the open internet.

Internet sales grew in July at their fastest pace since before the recession, as rain encouraged home shopping, figures suggests.

Dell beat Wall Street sales and profit forecasts, and predicted a "pick-up" in demand from corporate customers.

Stephen Smith employs a PR firm which specialises in online profiles to smarten up his and create a new identity.

Stephen Smith employs a PR firm which specialises in online profiles to smarten up his and create a new identity.