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Wi-Fi is now available at 35,000 feet. Roughly 1 in 3 domestic planes already has it, and the number is growing. But one industry analyst says that many passengers who could be logging on aren't.

Dozens of websites have been secretly harvesting lists of places that their users previously visited online, everything from news articles to bank sites to pornography. A team of UCSD computer scientists -- a graduate student and 3 professors -- found that the practice of "history sniffing" is possible because of a weakness in web browsers which allows websites to do this.

Every step we take, every move we make, somebody's watching us. If Greta Garbo — the iconic movie star who famously wanted to be left alone — were around today, she might be a prime customer of the online privacy industry.

The board of Yahoo Inc. rejects a $44.6 billion dollar buyout bid from Microsoft Corp., saying the offer was too low. Microsoft now must decide whether to increase its offer, launch a proxy fight or simply withdraw. Meanwhile, Yahoo is reaching out to other potential partners.

Google Inc., the company behind the Internet's most popular search engine, files its long-awaited plans for an initial public offering. The prospect of a Google IPO has kept Silicon Valley abuzz all year. Google said it expects to raise $2.7 billion through the stock sale, but the first day of trading is likely months away. NPR's Elaine Korry reports.

Social networking has almost doubled among people older than 50 in the past year, with 42 percent of seniors participating in the hot Internet trend. Using Facebook and other sites, seniors build support networks that help them begin a second career, prepare for retirement or deal with health issues, a Pew report finds.

Street festivals are in full swing in San Diego now that spring has arrived. We'll talk about options for your weekend and get the behind-the-scenes scoop on Mel Gibson's new movie, "The Beaver."

The initiative, called Patch, launched its 100th local news site on Tuesday. AOL is expanding the program quickly and plans to cover 500 communities by the end of the year. But the company faces competition from well-established hyperlocal sites, and profitability remains to be seen.

The news that Apple has been tracking iPhone locations is a reminder that we don't always know what our smart phones are doing. We'll get a preview of the next Ethics in Science and Technology forum called WHO OWNS YOUR CELLPHONE?

Here's a little twist on Trailer Tuesday: Instead of posting a preview of a big Hollywood movie or cool indie title you get to see an entire movie. Okay…