Technology Top Stories from Associated Press (AP)

LOS ANGELES (AP) , The U.S. military is planning a fourth unmanned hypersonic flight in the wake of a failed attempt. The Air Force said Wednesday the test of an experimental X-51A Waverider will occur sometime next year. The aircraft is designed to reach six times the speed of sound after being released by a B-52 bomber.

NEW YORK (AP) , Confused by Windows 8? Best Buy hopes it can help. The consumer-electronics retailer is hoping to capitalize on the launch of Windows 8. It's trying to lure customers with exclusive computers and staffers trained to explain and demonstrate the new operating system from Microsoft Corp.

NEW YORK (AP) , Barnes and Noble Inc. said Wednesday that the tampering of devices used by customers to swipe credit and debit cards in 63 of its stores was a "sophisticated criminal effort" to steal information, and reiterated it's working with federal law enforcement authorities.

SEOUL, South Korea (AP) , Samsung Electronics Co. said Wednesday it expects 10 percent growth in PC sales by volume this year as it bets on new PCs that are hybrids of laptops and tablets to lift sluggish PC demand.

SEOUL, South Korea (AP) , South Korean chipmaker SK Hynix reported a small net profit in the third quarter Wednesday thanks to a foreign exchange gain that partly offset lower sales of computer memory chips. SK Hynix Inc. said it posted 2 billion won ($1.8 million) in net profit for July through October on revenue of 2.4 trillion won.

LOS ANGELES (AP) , Netflix slashed its prediction for how many U.S. video-streaming subscribers it would add this year after subpar third-quarter results, causing a sharp sell-off in its stock in after-hours trading. The Los Gatos, Calif.-based company said it added 1.2 million net streaming subscribers in the U.S.

PORTLAND, Ore. (AP) , Online game company Zynga Inc. is eliminating games, studios and jobs in a bid to cut costs. The maker of social-media games including "FarmVille" and "Texas HoldEm Poker" said Tuesday that it will cut about 5 percent of its full-time workforce. It's the first-ever round of layoffs at Zynga, which is based in San Francisco and has about 3,200 employees.

NEW YORK (AP) , Facebook finally has proof that it can make money from mobile advertising. As part of Tuesday's third-quarter results, the world's biggest social media company disclosed for the first time that some 14 percent of its ad revenue came from mobile advertising. It started showing ads to users who access Facebook from their phones and tablet computers about six months ago.

PROVIDENCE, R.I. (AP) , The implosion of former Boston Red Sox pitcher Curt Schilling's video game company left the state of Rhode Island with a $100 million mess , and Paul DeBlois with a clock. ...

SAN JOSE, Calif. (AP) , Apple Inc.'s pencil-thin, smaller iPad will cost much more than its competitors, signaling that the company isn't going to get into a mini-tablet price war. The company unveiled the iPad Mini on Tuesday, with a screen about two-thirds the size of the full model, and half the weight. Customers can begin ordering the new model on Friday.

SAN JOSE, Calif. (AP) , Apple introduced a smaller iPad, as expected, but also updated its full-sized one. It also unveiled new Mac computers, including a 13-inch version of a MacBook Pro with sharper, "Retina" display and an iMac with a new type of storage drive.

SAN JOSE, Calif. (AP) , Apple unveiled a new version of its iMac desktop computer that's one-fifth the thickness of the old model around the edges. At 5 millimeters around the edges, the new iMac is thinner than most stand-alone computer monitors.

AUSTIN, Texas (AP) , A fourth Texas high-tech startup that received taxpayer dollars through Gov. Rick Perry's signature economic development fund has filed for bankruptcy in the $194 million portfolio's biggest bust yet.

WASHINGTON (AP) , Arlington National Cemetery on Monday made available to the public a massive electronic database detailing the gravesites of the roughly 400,000 people buried there. Cemetery officials built the database over the last two years to verify the accuracy of their records brought into question by reports of misidentified graves.

SAN FRANCISCO (AP) , Yahoo CEO Marissa Mayer turned in an encouraging report card covering her first few months running the troubled Internet company. The third-quarter results announced Monday weren't astounding, but they were better than analysts anticipated. Most importantly, Yahoo's net revenue crept up from the previous year for the third consecutive year.