TweetDeck founder Iain Dodsworth has confirmed that Twitter has acquired his company. The deal was completed yesterday. TweetDeck started with one team member and one user to a team of 15 with millions of users. The TweetDeck team will remain in London. Previous investors in TweetDeck include Betaworks, TAG, SV Angel, and PROfounders. [TweetDeck Blog]

Microsoft Corporation (NASDAQ:MSFT) announced the next version of Windows Phone called “Mango” in New York. The new features has hundreds of features. “Mango” allows Windows Phone to expand into new markets. Microsoft has new partnerships with Acer, Fujitsu, and ZTE. The Windows Phone Marketplace currently has about 17,000 apps. Some of the new “Mango” features include:
1. Improved Live Tiles – More real-time information on the home screen
2. Deeper social network integration – Twitter and LinkedIn feeds will also be included within contact cards
3. Internet Explorer 9 – Includes support for HTML5 and hardware acceleration
4. Local Scout – Hyperlocal search results
5. Check out additional features in the video below:

Social gaming company Zynga is preparing to file for an IPO according to sources with AllThingsD. A filing with the SEC is expected to happen sometime next week. Based on Zynga’s last round of funding, the company has a valuation of $10 billion. Zynga has about 250 million people actively playing their games every month. Zynga supposedly made about $400 million profit last year on around $850 million in revenue. Today Zynga has about 1,500 full-time employees across 13 offices in 6 countries. Goldman Sachs is believed to be one of the bankers in the Zynga deal. [AllThingsD]

Apple Inc. (NASDAQ:AAPL) brand of computers are not known for being vulnerable to viruses and malware. One recent phishing scam has specifically targeted Mac users by redirecting them from legitimate websites to fake websites that tells them that their computers have been infected with a virus. The user is then asked to download the Mac Defender anti-virus software to solve the issue. Mac Defender is malware (malicious software). The goal of the malware is to get the user’s credit card information.

Google Inc. (NASDAQ:GOOG) is rumored to be working on a mobile payment service that will be revealed on May 26th. The service would be expected to work on Sprint Nextel Corp. according to three sources with Bloomberg. The Google mobile payment service would allow Android users with specially equipped phones to pay for goods and receive coupons with their handsets. The mobile payment technology service is currently built into the Nexus S Android device on Sprint.

Below are some of the biggest viral videos from the past week. They include the Conan O’Brien Can’t Stop Trailer, Obama’s Car Gets Stuck, Puppy To Adult In 40 Seconds, Shark Eats Shark, Lady Gaga Chrome Ad, and a Sonic Flipbook. Check out the videos below (note: refresh the browser if the videos do not load)

Google launched Google eBooks about 6 months ago and the company has announced a major milestone. Google has 3 million free Google eBooks available for download. You can read the 3 million eBooks in the free Google Books Web Reader through a free Google Books app. You can also download the eBooks and read them through a different compatible reader. To find the free Google eBooks, click on the “Free Google eBooks” section in the left-hand column. When Google eBooks launched, there were about 100 independent booksellers. Now there are over 250. [Inside Google Books]

Real estate search engine company Zillow.com is planning to go public later this year and has filed an updated SEC filing to include their ticket selection. Zillow.com is planning to trade under the symbol “Z” on the Nasdaq stock exchange. The same filing contained financial information about the company.