Herea4ぎa4г our roundup of the weeka4ぎa4г biggest tech business news. First, the most popular stories that VentureBeat published in the last seven days:

Ikeaa4ぎa4г war on Edisona4ぎa4г light bulb &8212' The mass furniture and household goods retailer announced Tuesday that it will no longer stock or sell traditional light bulbs, making good on a plan announced last year.

Microsoft gives LCDs the power to see with Surface 2.0 &8212' Microsofta4ぎa4г Surface touchscreen technology for large displays has shed a lot of bulk in its newest iteration, and in the process it has also given liquid-crystal displays the power to see with its new PixelSense technology.

Just give up on using your iPhone as an alarm clock &8212' One of the running jokes about the iPhone is that ita4ぎa4г amazing, unless you actually want to use it as a phone. I guess it doesna4ぎa4д make a reliable alarm clock either.

AT&'Ta4ぎa4г answer to the Verzion iPhone: A $49 iPhone 3GS &8212' AT&'T has come up with one way to combat the fabled Verizon iPhone: Halve the price of the iPhone 3GS from $99 to $49.

Android 3.0 for tablets looks like a leap beyond iPad for Google (video) &8211' Google previewed its upcoming tablet-friendly Android 3.0 update at the Consumer Electronics Show, and it looks unlike any version of Android wea4ぎa4ёe ever seen.

And here are five more posts we think are important, thought-provoking, fun, or all of the above:

Privacy setting on Facebook financials to change in 2012 &8211' A document sent to potential Facebook investors suggests that the social networking company intends to hold its initial public offering by mid-2012, though there is still plenty of ambiguity about Facebooka4ぎa4г plans.

Tesla employee: Model S alpha prototype up and running &8212' A Tesla manufacturing team employee, commenting on Engadget, appeared to confirm a test of the much-anticipated all-electric sedan, Teslaa4ぎa4г first mass-market model. The company later showed off the prototype on its blog.

Exit activity leapt 25% in 2010, but is 2011 the a4ぎAYear of the IPOa4ぎ &8212' Successful exit activity for venture-backed companies rose 25 percent in 2010 from the previous year, reaching levels close to those seen before the recession.

Salesforce buys Web-collaboration startup Dimdim to bring Chatter up to speed &8212' The race continues between enterprise-focused social networking services Chatter, run by Web-software giant Salesforce.com, and Yammer, a darling of the venture-capital set.

VentureBeata4ぎa4г top 10 tech trends of 2011 (vote for your favorite) &8212' We gaze into the crystal ball.

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Tags: Android 3.0, Chatter, iPhone, iPhone 3GS, light bulbs, Microsoft Surface

Companies: AT&'T, DimDim, Edison, Facebook, IKEA, Microsoft, Salesforce.com, Tesla Motors, Verizon

Tags: Android 3.0, Chatter, iPhone, iPhone 3GS, light bulbs, Microsoft Surface

Companies: AT&'T, DimDim, Edison, Facebook, IKEA, Microsoft, Salesforce.com, Tesla Motors, Verizon

Anthony is a senior editor at VentureBeat, as well as its reporter on media, advertising, and social networks. Before joining the site in 2008, Anthony worked at the Hollister Free Lance, where he won awards from the California Newspaper Publishers Association for breaking news coverage and writing. He attended Stanford University and now lives in San Francisco. Reach him at anthony@venturebeat.com. (All story pitches should also be sent to tips@venturebeat.com) You can also follow Anthony on Twitter.

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