This Day in Tech: Apple wants its prototype 3G MacBook returned

Too busy to keep up with the tech news? Here are some of the more interesting stories from CNET News for Tuesday, August 30.

Apple wants its prototype 3G MacBook back. A North Carolina man has it now, after he bought it off Craigslist. CNET's Josh Lowensohn writes: "Beneath the notebook's metal frame was a slot for a SIM card and on the lid was an external antenna, suggesting Apple was testing built-in cellular networking in its notebook computers right around the time the first iPhones were hitting store shelves."

The TouchPad is coming back (for a while at least). After Hewlett-Packard put the WebOS-based tablet to rest, it spurred consumer interest with a price tag of $100. But the company won't make more tablets to meet the demand.

An Amazon tablet could sell up to 5 million units in the fourth quarter. That's all according to a Forrester analyst.

Apple and Android take70 percent of the United States market share. Microsoft, on the other hand, is losing its footing in the mobile space.

Apple iPad news reader Zite was acquired by CNN for $20 million (though the price was not disclosed). How will it compete with ever popular iPad app Flipboard?

A leaked memo from the U.S. embassy in Beijing details Apple's anticounterfeit plan.

The Sims Social is EA's top Facebook game, with 22 million monthly users.

File this one under cool: Kanex MHL HDMI adapter lets you see your smartphone's screen on an HDTV.

Apple shuts down iTunes Match sign-ups to developers after the feature went live yesterday.

The Chinese government considers online rumors a social malady. Why? Their reasoning is that social networks and blogs fuel these toxic rumors that ruin the quality of the Internet.

Shareholder sues Google over prescription drug ads, claiming the company's financial statements were misleading because it didn't include revenue generated from the drugs ads.

OMG, Beyoncé's pregnancy sets tweets-per-second record--8,868 tweets per second. CNET's Don Reisinger wrote: Beyoncé's feat becomes all the more impressive when one considers all the events it beat out. When Japanese Twitter users took to Twitter to ring in the new year, 6,939 tweets were sent out every second. President Obama's announcement of the death of Osama Bin Laden earlier this year prompted more than 4,000 tweets to be sent out each second."

Sex tech can store whatever you'd like. No really. A crowd-funded project raises nearly $50,000 to create the Crave Duet USB vibrator.

Newspapers might soon be used to fuel your car. Researchers at Tulane university discovered a strain of bacteria that can turn recycled newspapers into a biofuel substitute for gasoline.