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Updated: The movie 'Spider-Man 3' has not been pirated, despite reports of copies being sold on the streets in China, claims Sony Pictures Entertainment. Earlier this week, Reuters reported that copies of the movie were on sale in Beijing.

Sony plans to slow down the rate of PlayStation 3 shipments, according to forecasts the company revealed today. The news follows reports that sales are moving slowly. The company also said it plans to cut PS3 production costs, and predicts a rise in profits. Observers are divided on whether a PS3 price cut is likely in the immediate future.

Samsung has introduced a new high definition 70-inch LCD TV with dynamically-controlled LED backlighting that provides a contrast ratio of 500,000:1 and can halve power consumption, the company has announced. The new display was launched in South Korea today, and will go on sale worldwide in the second half of the year.

Key international science journals are shunning Korean scientists following a fraud scandal last year, according to a Korean academic.

"International journals have rejected our articles recently while taking issue with minute data and this indicates something,'' the professor told the Korea Times, "It's about reputation. We have no other choice but to rebuild.''

UPDATED May 9: Google News has removed a prominent news source which had faced questions over possible 'gaming' of Google's news gathering algorithm.

"To ensure a high quality service for our end users, we periodically review our index of news sources, particularly following user complaints, and have recently removed some sources that do not meet our criteria as news organizations, including Playfuls.com," a Google spokesperson told Texyt today.

Google News is generated by software which scours more than 4000 sources worldwide and displays the stories that it determines most newsworthy. A number of sources appear to have been dropped on or around April 26, they include Playfuls.com, a popular news website.

Until recently, links to Playfuls' news articles had been extremely prominent on Google News. The site ranked 16^th amongst Google News' English-language sources, placing higher than many better-known news organizations according to Newsknife. However, on April 26, new links to Playfuls abruptly stopped appearing at Google News.

The author of a worm which caused widespread disruption to PCs and networks has attempted to repair the damage by creating software to remove it. However, security experts say the removal software is considerably less effective than the original worm.

Updated May 7: Internet traffic to Digg.com was doubled by the firestorm of controversy surrounding the release of an HD DVD decryption code, according to a monitoring service.

Many stores operated by AT&T, the exclusive carrier for Apple's iPhone mobile phone, will have only a handful of phones in stock initially, according to analysts who surveyed AT&T staff. Stores revealed that they expect to have the first iPhones on their shelves on June 15 (Update: Apple says June 29, see below).

A massive denial of service attack has disabled some of the world's largest virtual goods trading sites. The Korea-based sites hit by the attack are responsible for a substantial portion of the country's estimated $1bn trade in virtual gold, weapons and other items for games like World of Warcraft.

More than 100 million will develop Alzheimer's disease in the near future, unless new treatments are developed to prevent or delay the condition, researchers have warned. One in every 85 people worldwide will have Alzheimer's by 2050, predict scientists from Johns Hopkins University.