This Day in Tech: Obama signs debt limit bill; ZocDoc announces $50M funding round

Too busy to keep up with the tech news? Here are some of the more interesting stories from CNET for Tuesday, August 2.

• Finally, President Obama signs debt limit bill after nasty fight to avert economic catastrophe Tuesday. According to CBS News, Obama said the deal to cut spending and increase the nation's $14.3 trillion debt limit marked an "important first step to ensuring that as a nation we live within our means."

• Doctor booking site ZocDoc announces $50 million funding round from DST Global, and plans to use the investment to expand its presence to more cities nationwide.

• The porn site Perfect 10 fights Megaupload, one of the largest, controversial sources of pirated TV shows, films and music on the Internet. And you know what? A federal court has ruled that the copyright case against Megaupload can proceed. CNET's Greg Sandoval reports that Perfect 10 has "filed copyright suits against Google, Megaupload rival Rapidshare, Microsoft, Giganews, and Amazon. The company has prevailed in few if any of those cases."

• Personal Audio wasn't as lucky. A U.S. District judge denied Personal Audio's second patent infringement suit against Apple. But the company was awarded $8 million in damages from Apple in a patent infringement ruling last month, CNET's Josh Lowensohn reports.

• Google+ needs some advice to stay sexy, as the hype over the launch of the social network simmers down with falling traffic.

• Facebook acquires start-up Push Pop Press. The company's claim to fame: re-imagining the book via text, photos, video and interactivity. Or better known as the developer of Al Gore's Our Choice. According to the company's blog: "Although Facebook isn't planning to start publishing digital books...Push Pop Press will be integrated into Facebook, giving people richer ways to share their stories."

• Apple's fanboys aren't the only ones getting excited about the iPhone 5, analysts anticipate the new phone could double Apple's market share.

• CNET's Jessica Dolcourt discusses the key players in mobile payments.

• Cybercrimes are up from last year. Why? The crimes appear to be more sophisticated and are costing organizations a lot more, according to a report by the Ponemon Institute.

• Here's a good reason to love hidden cameras: A man rips a cell phone out of a woman's hand, but gets caught by a Taxi's 180-degree camera.

• Google searches find critical infrastructure equipment could be controlled over the Internet. Here's the problem: Supervisory Control and Data Acquisition (SCADA) systems are used to run power plants and other infrastructure. A security consultant told CNET that "you can do a Google search with your Web browser and start operating [circuit] breakers." The equipment doesn't use encryption, yet unauthorized access to the substations could cause an electricity outage for an entire city.

• You can't buy love, but you can buy Twitter followers, or more than a million fictitious followers if you're presidential candidate Newt Gingrich. Gawker and an anonymous ex-staffer accused Gingrich of Twitter follower fraud.