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The results of Michigan's primary Tuesday night could be a game-changer in the Republican presidential race, where Rick Santorum's surging poll numbers threaten Mitt Romney's chances in his home state.

PlayStation gamers, be sure to get in those last few rounds of “Uncharted” or “Battlefield” with your buddies before Thursday. On March 1st, the Sony PlayStation Network service will be down, according to its official blog. The hiatus, beginning around 11 a.m. and lasting until after midnight, seeks to address bugs, optimize performance, and perform necessary maintenance.

Following the success of the promoted tweets revenue model, Twitter is going a step further: They're rolling out the same model onto the iOS and Android version of the platform. The promoted tweets feature--which locks a specific tweet to the top of people's feeds--is already available on the mobile website (mobile.twitter.com). The feature will be rolled out in an update to iPhones and Android-based phones over the next few weeks.

A star-studded quartet of architecture critics discussed their craft on Monday night at the AIANY’s Center for Architecture in Manhattan, arguing for the vitality of buildings in modern life and the impact of criticism in a changing world.

Ditching the glitz and armor on her face for an evening, Kim Kardashian posted a photo of herself on Twitter last night wearing no makeup and just sweatpants and a bra.

Angelina Jolie had all eyes on her on the 2012 Oscars red carpet. The 38-year-old mother of six flaunted her figure -- particularly her right leg -- in a black velveteen, strapless Atelier Versace gown with a thigh-high slit. Many noticed that the dress looked near-identical to one Jennifer Aniston wore in 2010. Who do you think looked better?

Starting today, companies can search tweets of any users back to January 2010. This will help them create better marketing plans, target influential users and predict monumental events. Twitter previously allowed companies to search up to 30 days of tweets. Regular users were only able to search through posts from the past seven days. That all changes today, as the UK-based company DataSift will begin offering a deep archive of Tweets made over the past year.

Is @AngiesRightLeg a sign of the apocalypse?

The rumors about March 7 release of iPad 3 seem to be true. Apple.pro reported on Sina Weibo – the Chinese alternative to Twitter - that a shipment of iPad 3 has been sent from China to the U.S. These iPads were assembled in Foxconn factory located at Chendgu – the same place where ABC News Nightline team gave us an inside look. The transportation began on Feb. 26. These shipments will land at three different places in U.S – Chicago, L.A. and New York.

Pop megastar Lady Gaga is known for referring to her fans and admirers as “little monsters.” But a cameo role in the upcoming third installment of “Men in Black” might cast her as the creature.

Twitter exploded Tuesday with Rebekah Brooks horse lending scandal jokes and reactions as the world responded to the news that the former New of the World chief executive was loaned a retired police horse by Scotland Yard.

Apple will reportedly unveil its next-generation iPad -- presumably called iPad 3 -- next week in New York City. The lastest report comes from CNBC's Jon Fortt, who said on Tuesday that Apple will release a new iPad with a quad-core processor and 4G LTE capabilities.

Chris Brown has been accused of stealing a fan's cell phone after she took a picture of him taking groupies home from a Miami club, but Rihanna says she believes he didn't do it and will stand by him, even if the case goes to trial.

Apple will reportedly release a new Apple TV device alongside its next-generation iPad, presumably called the iPad 3. With Bluetooth Smart, the devices will be interconnected to create one tightly integrated and enjoyable HD experience.

In what seems unprecedented, yet unsurprising, NASCAR driver Brad Keselowski was able to use the bizarre crash at Monday's Daytona 500 as a way to triple his Twitter followers.

Here's a look at this year's Daytona 500 by the numbers.

With the purported release date of iPad 3 barely weeks away, rumor mills have begun buzzing louder than ever and the latest rumors suggest that iPad 3 will be pricier than iPad 2 and Apple might also offer two different processor options.

Angelina Jolie's Oscars leg pose while on the red carpet has turned into an Internet sensation. It is doubtful that even Ms. Jolie could have predicted her awkward right-leg-out stance would garner this much attention. Jolie's leg has spawned a Tublr, Twitter Handle and a meme.

NASCAR driver Brad Keselowski caused a stir on Monday as he began chatting with fans on Twitter following an explosion on the track that happened the same night, the Sydney Morning Herald reported.

Jason Varitek, the longest tenured member of the Red Sox, is expected to announce his retirement on Thursday in Fort Myers, Fla., a major league source confirmed to ESPN Boston on Monday.

Hank believes he has something more to offer to the folks of Virginia than George Allen (R) and Tim Kaine (D), two former governors running to replace retiring Sen. Jim Webb.