Communications of the ACM
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From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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China: Our Internet Is Free Enough
China, with the most Internet users of any country in the world, has issued its first government whitepaper declaring an overall Internet strategy--one that advocates...
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Making Sense of Mountains of Data
"How do you take a big collection of things and make sense out of it?" asks Gary Flake, founder and director of Microsoft Live Labs, a division of the softwarePivot...
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A Faster Wireless Web
Transfers of large amounts of data across the Internet to wireless devices suffer from a key problem: The Transmission Control Protocol (TCP) used to send and receive...
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Wi-Fi at the Speed of Light
A wireless network that uses reflected infrared light instead of radio waves has transmitted data through the air at a speed of one gigabit per second—six to 14...
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A 50-Watt Cellular Network
An Indian telecom company is deploying simple cell phone base stations that need as little as 50 watts of solar-provided power. It will soon announce plans to sell...
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What's Inside the Ipad's Chip?
Despite widespread speculation, nothing beyond what Steve Jobs announced last week is known about the A4 chip at the heart of the Apple iPad. Jobs described the...
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Best Connected Individuals Are Not the Most Influential Spreaders in Social Networks
Boston University researchers have developed a method for studying and identifying hubs within social networks. The approach emphasizes the location of the individual...
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How Google Ranks Tweets
To deliver useful search returns from the so-called real-time Web--such as seconds-old Twitter "tweets" reporting traffic jams--Google has adapted its page-ranking...
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Making Tv Social, Virtually
Researchers from Motorola, BT, and Intel are developing ways to combine social networking technology with TV viewing. The goal is to get as close as possible to...
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Bringing Color to E-Readers
One of the hot topics at the Consumer Electronics Show this week in Las Vegas is color e-readers, with several companies showcasing new products. While E-Ink has...
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Splitting p Search
Searching the Web could become faster for users and much more efficient for search companies if search engines were split up and distributed around the world, according...
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Eavesdropping on Smartphone Secrets
Security researchers at Cryptography Research say the smart card attack involving differential power analysis could be used to target smartphones. Cryptography...
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Merging Video With Maps
Microsoft and researchers from the University of Konstanz in Germany are collaborating to create Videomap, navigation software that incorporates videos of driving...
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A New Language For Phone Networks
University of Cambridge professor Jon Crowcroft is leading a research effort to change how cell phones send information by creating peer-to-peer mobile device networks...
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The Evolution of Retweeting
Twitter has announced that it will establish a set format for retweeting, or reposting another user's message, for use within the micro-blogging service. Retweeting...
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How to Build Anonymity Into the Internet
At the 9th annual Privacy Enhancing Technologies Symposium, security researchers discussed alternatives to existing systems designed to help Internet users maintain...
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Finding the Right Piece of Sky
At the recent ACM SIGGRAPH 2009 conference, Microsoft Research's Visual Computing Group presented SkyFinder, a search system designed to analyze images of the sky...
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Hackers Game a Multiplayer World
Two programmers have hacked the World of Warcraft online game environment with a set of programs that automate in-game characters, which game developer Blizzard...
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Catching Spammers in the Act
Indiana University researchers have exposed some of the methods spammers use to collect email addresses and send junk mail through multiple computers. In a paper...
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