Shea Hembrey: How I became 100 artists

How do you stage an international art show with work from 100 different artists? If you’re Shea Hembrey, you invent all of the artists and artwork yourself — from large-scale outdoor installations to tiny paintings drawn with a single-haired brush. Watch this funny, mind-bending talk to see the explosion of creativity and diversity of skills a single artist is capable of.

Revealed: US spy operation that manipulates social media

The US military is developing software that will let it secretly manipulate social media sites such as Facebook and Twitter by using fake online personas to influence internet conversations and spread pro-American propaganda.
A Californian corporation has been awarded a contract with United States Central Command (Centcom), which oversees US armed operations in the Middle East and Central Asia, to develop what is described as an “online persona management service” that will allow one US serviceman or woman to control up to 10 separate identities based all over the world.

The need to protect the internet from ‘astroturfing’ grows ever more urgent

Every month more evidence piles up, suggesting that online comment threads and forums are being hijacked by people who aren’t what they seem.
The anonymity of the web gives companies and governments golden opportunities to run astroturf operations: fake grassroots campaigns that create the impression that large numbers of people are demanding or opposing particular policies. This deception is most likely to occur where the interests of companies or governments come into conflict with the interests of the public. For example, there’s a long history of tobacco companies creating astroturf groups to fight attempts to regulate them…..

Clifford Stoll: 18 minutes with an agile mind

Clifford Stoll could talk about the atmosphere of Jupiter. Or hunting KGB hackers. Or Klein bottles, computers in classrooms, the future. But he’s not going to. Which is fine, because it would be criminal to confine a man with interests as multifarious as Stoll’s to give a talk on any one topic. Instead, he simply captivates his audience with a wildly energetic sprinkling of anecdotes, observations, asides — and even a science experiment. After all, by his own definition, he’s a scientist: “Once I do something, I want to do something else.”