Google Desktop grabs more of Microsoft’s turf

SAN FRANCISCO - Web search leader Google Inc. is introducing an upgraded version of its software for users to organize and find information on any computer and to share it with friends, the company said on Thursday.

Google Desktop 3 poses new challenges to Microsoft Corp.’s dominance of the way people interact with computers, but also demands users place far greater trust in Google’s capacity to protect their privacy.

Google Desktop vacuums up data stored on a user’s PC and makes it accessible on any other computer in regular use by the customer at home or work or even on an airplane trip, assuming users consent to storing data on Google’s central computers.

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Does light have mass?

The short answer is "no", but it is a qualified "no" because there are odd ways of interpreting the question which could justify the answer "yes". Light is composed of photons so we could ask if the photon has mass. The answer is then definitely "no": The photon is a massless particle. According to theory it has energy and momentum but no mass and this is confirmed by experiment to within strict limits. Even before it was known that light is composed of photons it was known that light carries momentum and will exert a pressure on a surface. This is not evidence that it has mass since momentum can exist without mass. [ For details see the Physics FAQ article What is the mass of the photon? ]. Sometimes people like to say that the photon does have mass because a photon has energy E = hf where h is Planck's constant and f is the frequency of the photon. Energy, they say, is equivalent to mass according to Einstein's famous formula E = m...

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Microsoft Corp. co-founder Bill Gates on Tuesday announced a cross-platform gaming service that integrates games played on cell phones, Xbox 360 consoles and the upcoming Windows Vista operating system. The "Live Anywhere" service will be available as part of Windows Vista, Microsoft's next-generation PC operating system. The consumer version is scheduled for release early next year. "It means that you have one online community," Gates said in a news conference. "This platform can really unleash developers to do amazing new things." The system would extend the company's existing Xbox Live service for the Xbox 360 console into millions of Internet-enabled PCs and cellular phones. No pricing information on the new service was announced. In recent months, Microsoft has been pushing a number of online services that it hopes will boost revenue as markets for its traditional software become increasingly saturated. The company expects to make money off s...

Launchy: Free Windows Keystroke Launcher

"Launchy is a free windows utility designed to help you forget about your start menu, the icons on your desktop, and even your file manager." read more | digg story

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