Yahoo! Inc. (NASDAQ:YHOO) announced earlier tonight that they will be adding Twitter to many of their web properties.  The search engine giant has already embraced Facebook Connect and soon Twitter users will be able to login with their credentials.  The project is internally called “Project Rushmore.” Yahoo! News, Yahoo! Finance, Yahoo! Entertainment, and Yahoo! Sports will have real-time public Twitter updates aggregated within search results very soon.  This deal is very similar to the one that Twitter is engaged with Google and Microsoft on. [AllThingsD]

Hyundai has halted the sales of the 2011 Sonata vehicles after it was reported that some of their door-lock modules have a tendency to stick.  Because Toyota is facing intense scrutiny, Hyundai is hoping to quickly resolve the glitch.  [AutoWeek]

Google Inc. (NASDAQ:GOOG) is being investigated by The European Commission as part of an anti-trust inquiry.  Three companies alleged that Google’s search functions were penalizing their own businesses.  The European Commission sent Google a set of questions about how their search functions work and they are also being asked how their ad business works.  The three websites Foundem, Ciao, and ejustice.fr complained about Google to the Commission.  Ciao is owned by Microsoft.

“Google has always used various penalty filters to remove certain sites entirely from its search results or place them so far down the rankings that they will never be found,” stated Foundem in a blog post last August.  “Whereas these penalties used to be reserved for spam, or sites caught attempting to cheat Google’s algorithms, they are now increasingly targeted at perfectly legitimate vertical search and directory services.” [Telegraph via Techmeme]

DocStoc has decided create a marketplace for selling high-end reports and documents.  Called the DocStore, the marketplace offers legal documents, real estate contracts, and tutorials and different price points.  The documents will be available in Microsoft Word, Microsoft Excel, and Microsoft PowerPoint formats.  DocStoc allows publishers to keep 100% of all sales for the first 60 days from the day that a document has been uploaded.  After that DocStoc keeps 50%.  DocStoc has about 3 million registered users and is now profitable.  The company is led by CEO and founder Jason Nazar. [TechCrunch]

Yellow Pages Group has acquired Clear Sky Media.  Clear Sky is the owner of several Canadian shopping websites including RedFlagDeals.com, a price comparison engine.  Another property owned by Clear Sky includes PriceCanada.com.  RedFlagDeals.com receives 2.2 million unique visitors per month. [Yellow Pages PR]

Arnold Kim launched an independent blog on February 24, 2000 called MacRumors.com.  Kim launched it in his fourth year of medical school.  Eventually Kim quit his job as a doctor to focus on his blog full-time.  Today MacRumors receives 7 million unique visitors per month and receives some of the highest traffic out of all the Apple Inc. centered blogs.  MacRumors aggregates rumors from around the web and from message boards regarding upcoming Apple products and services.  

When Apple accidentally published details about a Power Mac G5 five years ago, Kim quickly grabbed that information and published it.  Apple’s legal team had to contact Kim to remove the information, but the news had already gotten around and MacRumors’ traffic has been steadily increasing ever since.  MacRumors is now 10 years old and we congratulate Kim on all of his success. [Wired]

Xerox Corporation (NYSE:XRX) is suing Yahoo! Inc. (NASDAQ:YHOO) and Google Inc. (NASDAQ:GOOG) over a patent-infringement. Xerox claims that they have ownership over a method in which a query is generated based on keyword searches. Xerox specifically called out Google AdSense, Google AdWords, Yahoo!’s Search Marketing, Yahoo!’s Publishing Network, and Y!Q Contextual Search. Xerox also owns a patent where pages are updated based on reviews. Xerox pointed out that Google Maps, YouTube, Google Video, and Yahoo! Shopping use this technology for their services. Google’s senior litigation counsel Catherine Lacavera said that “these claims are without merit and we will defend against them vigorously.” The court case was filed at the U.S. District Court for the District of Delaware. [Bloomberg]

Kevin Weil of the Twitter analytics team has announced a huge milestone. While measuring and understanding the growth at Twitter, Weil noticed that about 50 million tweets are being sent out per day which calculates to about 600 per second[Twitter Blog]. Clearly that is a lot of bandwidth being consumed and requires a lot of money to pay for servers. Fortunately Twitter has real-time search engine deals in place with Google and Microsoft. But there is another rumor floating around right now.

Twitter may launch an ad platform at South by Southwest (SXSW) in Austin, TX next month. “According to one source in the media industry, Twitter may launch its new advertising platform at the South by Southwest conference, which starts March 12,” stated Matthew Ingram at GigaOM. “The social network is apparently working with several major partners for the launch, including ‘new and traditional media’, the source said.” [GigaOM]