Here’s our roundup of the week’s tech business news (shorter than usual since there’s not exactly a flood of news between Christmas and New Year’s). First, the most popular stories VentureBeat published in the last seven days:

iphone-4-opening-dayApple increases Q1 2011 iPhone shipments, includes Verizon-ready CDMA iPhone — Apple expects to ship 1 to 2 million more iPhones in the first quarter of 2011 than it originally planned, including those ready for Verizon’s cellular network, according to Taiwan-based component suppliers.

6 social media business trends to watch out for in 2011 — Social media is a field that changes almost constantly. NetProspex’s Gary Halliwell writes that 2011 will be just as turbulent, but he’s put together six trends that should help entrepreneurs make the most of this marketing opportunity.

Meet the HTC Thunderbolt, Verizon’s first LTE 4G phone — It looks like we won’t have to wait until next week’s Consumer Electronics Show to check out Verizon’s first 4G phone. HTC’s Thunderbolt Android smartphone was outed this week.

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Y Combinator-backed Humble Bundle sells $1.8M worth of indie games — The second Humble Indie Bundle, a batch of games that players can purchase for whatever amount they want to pay, has raked in a not-quite-so-humble $1.82 million after being on sale for a little more than a week — and its host might be looking at a nice $90,000 tip for its efforts.

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

top 10VentureBeat’s top 10 VC startup fundings in 2010 — It was the best of times, it was the worst of times — at least for Silicon Valley startups in 2010.

Gain Fitness wants to start your gym resolution early — VentureBeat’s Owen Thomas has been on a serious fitness kick, and he says he has a new problem: His current set of fitness apps, geared around watching calories and tracking workouts, don’t seem ready to take him to the next level. Enter Gain Fitness.

Winklevoss twins on Facebook lawsuit: It’s not about the money — Recent coverage of Cameron and Tyler Winklevoss’ dispute with Facebook sheds some light on why the company hasn’t managed to make the lawsuit go away. It looks like the dispute is less about money and more about credit.

Tesla stock drops 16 percent, analysts pile on worries — As VentureBeat suggested, the entry of new shares onto the market Monday has caused Tesla’s stock to drop.

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