Microsoft Corporation (NASDAQ:MSFT) has hit the 5,000 application milestone. Every day several new applications on the Windows Phone Marketplace is being approved. You can find the apps in the Zune software under Marketplace/Apps and in the Visual Search in Bing.com. [LiveSide.net]

A class action lawsuit is being filed against Apple Inc. (NASDAQ:AAPL) because of personal data being sent to advertisers through mobile applications. However it is unlikely that the court case will go far because the data that is being sent to advertising companies is typically used for targeting purposes. In other words, the information isn’t THAT personal. [BusinessInsider]

At the Mobile World Congress conference in February, Samsung will reveal a new Galaxy S model. The new Galaxy model will have Android 2.3 and a dual-core processor. The new Galaxy S phone will also have a gyroscope and an electronic payment system. [Chosunilbo]

Spring Design’s lawsuit against Barnes & Noble, Inc. (NYSE:BKS) will go on. Spring Design filed a lawsuit against Barnes & Noble because they said the Nook electronic tablet reader was illegally copying their screen design. Spring Design said that Barnes & Noble is allegedly misappropriating trade secrets, violating breach of contract, and is competing unfairly. U.S. District Judge James Ware refused to throw out the case. Spring Design announced a lawsuit against Barnes & Noble in November 2009. The price of the Nook starts at $149. According to Forrester Research, Barnes & Noble is expecting to sell 2 million units by the end of the year. [Reuters]

O Canada! Our home and native land is the Internet! What I mean is that Canadians rank the most enthusiastic users of the Internet. According to comScore, Canada also had the highest penetration of Internet access. About 68% of Canadians are online. Compare this to 62% of France, 60% in Germany, 57% in Japan, 59% in the U.S. Canada is also the only country where an average user logged over 2,500 minutes online per month.

Kaufman Brothers analyst Shaw Wu said that the Research In Motion Limited (TSE:RIM) BlackBerry PlayBook is going to be delayed because of the poor battery life associated with the device. The Apple iPad has a 10 hour battery life and the Samsung Galaxy Tab has a 6 hour battery life. Because of this issue, we may not see the BlackBerry PlayBook until May 2011. Earlier RIM Co-CEO Jim Balsillie said that the PlayBook will be launching in Q1 2011 for a price under $500. [BoyGeniusReport]

McAfee, Inc. (NYSE:MFE) has released a new report called the 2011 Threat Predictions report. The report lists what technologies will be vulnerable in the year 2011. Google Android, Apple iPhone, Foursquare, Google TV, and the Mac OS X operating system are listed to be targets for cybercriminals. “We’ve seen significant advancements in device and social network adoption, placing a bulls-eye on the platforms and services users are embracing the most,” stated McAfee Labs SVP Vincent Weafer. “These platforms and services have become very popular in a short amount of time, and we’re already seeing a significant increase in vulnerabilities, attacks and data loss.” [McAfee]

Apple Inc. (NASDAQ:AAPL) has been known for allowing certain applications in the App Store that violates their own rules. In one case, Apple rejected an app called Camera+ that let users take a photo with a the volume button on the iPhone. Apple recently approved an app that has the same function called Quick Snap [iTunes Link]. “Your application cannot be added to the App Store because it uses iPhone volume buttons in a non-standard way, potentially resulting in user confusion,” said Apple in an e-mail to Camera+’s developer Tap Tap Tap. “Changing the behavior of iPhone external hardware buttons is a violation of the iPhone Developer Program License Agreement.” [Wired]