Microsoft's Bill Gates was set to testify Monday in a $1 billion antitrust lawsuit accusing the software maker of duping a competitor prior to its rollout of Windows 95.

The case against Microsoft has been ongoing in federal court in Salt Lake City for about a month.

Lisa Gesik hesitates to log into her Facebook account nowadays because of unwanted "friend" requests, not from long-ago classmates but from the ex-husband now in prison for kidnapping her and her daughter.

Neither Gesik nor prison officials can prove her ex-husband is sending her the messages, which feature photos of him wearing his prison blues and dark sunglasses, arms crossed as he poses in front of a prison gate. It doesn't matter if he's sending them or someone else is — the Newport, Ore., woman is afraid and, as the days tick down to his January release, is considering going into hiding with her 12-year-old daughter.

Here's one way to avoid getting trampled by bargain-hunting hordes knocking down store doors on Black Friday: Online deals service LivingSocial is unveiling a slew of bargains for the holidays that are just a couple of mouse clicks away.

LivingSocial is announcing Monday that it will offer discounts from national businesses such as Verizon Wireless, Electronic Arts Inc. and the sneaker brand Sketchers USA Inc., a contrast to the local deals for spas, restaurants and weekend escapes that it's known for.

A Chinese industry group of game developers said Monday it was suing Baidu for more than 30 million Yuan ($4.7 million) for copyright infringement, the latest such case to hit the Internet giant.

Content Provider Union (CPU), which represents developers of games for mobile devices, has accused Baidu of providing unauthorized downloads for more than 350 games designed by member firms, said Tian Lifeng, a CPU spokeswoman.

Wolfram Alpha, the online search service launched two years ago, now lets inquiring minds in the United States find out what flights happen to be overhead at any given moment.

Typing "flights overhead" into a Wolfram Alpha query box is rewarded with information about airplanes above, including altitudes, distances, aircraft types, and which airlines are operating them.

Amazon.com Inc.'s Kindle Fire tablet, which started shipping this week, costs $201.70 to make, a research firm said Friday. That's $2.70 more than Amazon charges for it.

The analysis by IHS indicates that Amazon is, at least initially, selling the tablet at a loss that it hopes to cover through sales of books and movies for the device. The manufacturing cost of a new gadget usually comes down over time as chips become cheaper.

"Arrested Development" is coming back to life on the Netflix video streaming service.

Netflix says the quirky TV comedy series is resuming production and will be available for instant viewing by Netflix subscribers in 2013. "Arrested Development" aired on Fox for three seasons from 2003 to 2006.

Google co-founder Sergey Brin and his wife have donated $500,000 to the Wikimedia Foundation that runs free online encyclopedia Wikipedia.

The grant was made by the Brin Wojcicki Foundation founded by Brin and his wife, Anne Wojcicki, the co-founder of 23andMe, a personal genetics company, the Brin Wojcicki Foundation said in a statement on Friday.

Online financial transactions powerhouse PayPal released an application on Thursday that lets friends send one another cash at leading social network Facebook.

A "Send Money" application tailored for Facebook by PayPal lets members of the online community tie money to occasions such as birthdays or send it in an unadorned online transfer.

Yelp, a website which posts user reviews of businesses and services, filed for an initial public offering Thursday seeking to raise up to $100 million.

Yelp, in a filing with the US Securities and Exchange Commission (SEC), did not say how many shares of Class A common stock it plans to issue or which Wall Street exchange it would be traded on.