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On Tech Brief today: pay to play, and the 91Èȱ¬ News website reimagined.

• Last week, security researchers shared with the 91Èȱ¬ their thinking about the Stuxnet worm, a complex piece of malicious code which may have been aimed at Iranian industrial facilities. The worm was known to use some clever tricks. But now that it may be more difficult to get rid of an infection than previously thought. He quotes a Symantec researcher who has found the worm can re-infect machines that have already been cleaned of the malware.

"'You could imagine the scenario where someone had cleaned the computer of Stuxnet, but before they did that, they backed up the project," he said. "When the project was later restored [to the now-clean] PC, it would be re-infected.'"

• High profile Tech blog yesterday that it had been sold to AOL. Its founder Michael Arrington said talks of the sale first started in may after he met with the firm's CEO Tim Armstrong.

"Tim asked me how things were going at TechCrunch. I told him I was exhausted after five years but that a recent move to Seattle made it easier to balance my life. I joked that I was half retired. 'That's too bad, he said, we'd love to acquire you but we'd need to know you would stick around'."

• Yesterday Tech Brief highlighted Malcolm Gladwell's latest column in thw New Yorker suggesting that internet activism - especially via tools such as Twitter - had been overhyped. Blogger and entrepreneur with a criticism.

"The problem with Gladwell's premise, though, is that it's wildly anachronistic to think that the only way to effect social change is to assemble a sign-wielding mob to inhabit a public space."

• Gamer stereotypes abound: young, male, socially awkward; stuck in their bedrooms. Of course, the game's world is not like that at all, but a new venture - called Gamescrush - may not help dispel those myths. The site allows gamers to pay to play against other gamers, who are mostly women .

"On the site, men connect with 'PlayDates', namely female gamers. They play video games together on the site - right now there are seven or eight casual games, but the PlayDates can also share games on their own computers. They can also talk to each other using webcams. "

• And finally, we very much like , who aims to create a poster based on a 91Èȱ¬ News website headline every day for a year. Our personal favourite is the . the genesis of the project.

"The project began on April 12 with the headline, 'Thailand PM faces rising pressure'. The story of a clash between government troops and anti-government protesters that resulted in 21 deaths. In this poster I used the 'tail' of Thailand to represent the trigger on a handgun. I then put the Prime Minister's name under the word 'Pressure' to show that Vejjajiva was under pressure."

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