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A key patent that Apple successfully used against Samsung in its multibillion-dollar courtroom brawl earlier this year is at risk following a re-examination by the U.S. Patent and Trademark Office.

All 21 claims of U.S. patent No. 7,844,915 -- also known as the "pinch to zoom" patent -- were rejected by the Patent Office today, following a re-examination.

Samsung pointed this out in a filing to U.S. District Court Judge Lucy Koh this afternoon, noting that it was "relevant" given the company's effort for a retrial, as well as Apple'… Read more

From smartphones and tablets to a $7,000 desktop, we've cracked open a lot of tech this year. And as is the tradition at the end of each year, it's time to take a look at a few of our favorites. During this special episode of Cracking Open, I'm counting down my top five teardowns of 2012.

5. Nokia Lumia 900

First on our list is the Nokia Lumia 900. Released in the spring, this Windows Phone device was Nokia's attempt to recapture some of the American smartphone market.

Unfortunately, as we discovered during our teardown, the phone's hardware just wasn't up to par with the competition. I went so far as to call it mediocre. So why did I include our 900 teardown on this list? Because it's probably this year's best example of why knowing what's inside a device is an important factor in deciding whether to buy one.… Read more

Despite owning an iPhone 5 for several months, I find myself using Siri only when someone else wants to see how it works.

A video created by a Raspberry Pi enthusiast motivates me to learn about Siri's unadvertised side -- as a place where hackers can use special software to teach Apple's voice assistant new commands. One such person found a compelling use for the $35 Linux-based Pi and Siri: the ability to open a garage door with a push of a button and a simple spoken sentence. … Read more

Has it really been 10 years since Rockstar's Grand Theft Auto: Vice City made its PlayStation 2 debut? And has it really been 26 years since the big hair, pastel suits, and electronic-infused pop celebrated in that game were all the rage? Heaven help me, I'm old.

Just as Rockstar brought Grand Theft Auto 3 to smartphones and tablets to celebrate that game's 10-year anniversary, so has its sequel, Grand Theft Auto: Vice City, arrived for iOS. (The Android version has been temporarily delayed but is due shortly.) And although it suffers from similar control issues, the … Read more

Facebook put up a new blog post today, patting itself on the back for Open Graph's role in the success of Playdom's Avengers Alliance game.

The social network said shared stories that linked to the game on people's news feeds and timelines were clicked on 7 million times -- the third-largest source of clicks to the Marvel game -- and users who installed the game after clicking through Open Graph stories made an in-game purchase twice as often as those who joined the game through an invite.

The post also included comments from the game developer about … Read more

Animoto, the app that turns Facebook photos into slideshow videos, added a highlight reel feature today that lets users create videos based on their most popular photos of the year.

The magic behind the highlight reel is Facebook's Open Graph. Animoto pulls the photos and captions from your profile -- these include ones you posted and those you're tagged in -- based on how many times your friends commented or liked them, or how many people were tagged in it. The videos are set to music and can include text.

The result, Animoto CEO Brad Jefferson said, is … Read more

Open Hexagon is a polygonal endurance run that draws heavy inspiration from Terry Cavanagh's Hexagon. Much like its former Web app game, Open Hexagon challenges players in a collapsing environment of walls that cave in. Your goal is to keep a dinky little triangle alive by orbiting around the core while dodging walls and crushing barriers. The game's overall design is a simple pixelated collection of lines and shapes, with some added chiptune tracks to appease the eardrums of our inner geek.

Since its release, the developer, Vittorio Romeo of Vee Software, has received mixed reactions for releasing … Read more

Showing off its ability to draw music lovers to music apps on its Open Graph, Facebook revealed today that its users have played 62.6 million songs 22 billion times in the last 13 months.

Facebook posted the stats of six music apps on the platform's Open Graph, which lets third-party companies build applications for Facebook. Since the graph launched in September 2011, these apps have seen a lot of social referrals, according to Facebook. The company is reminding developers that it has the ability to put apps in front of users who then share them with their friends, … Read more

Hewlett-Packard has increased its investment in the Linux Foundation.

The organization, which aims at increasing adoption of Linux across the world, announced today that HP has decided to upgrade its Linux Foundation membership from Gold to Platinum. By doing so, HP will now hold a seat on the Linux Foundation's board of directors. The company will also play a role in the Linux Foundation's initiatives, work groups, labs, and events.

HP has been making open-source supporters happy with WebOS, a formerly closed platform that it turned open source. HP didn't say exactly why it decided to up … Read more