Nielsen is reportedly ready to expand its definition of TV viewing to include all video viewing over broadband, Xbox and iPads. “The decision to expand beyond traditional TV ratings measurement came out of a meeting in New York on Tuesday of the What Nielsen Measures Committee,” The Hollywood Reporter writes, citing sources. 

Fast Company’s is really excited about the comments and discussion tools providers at Realtidbits. Unlike Facebook, Disqus, and Livefyre, “we’re helping (publishers) retain the entire value chain,” Realtidbits CEO Kelly Abbott tells FC. “You’ll never see our logo on it. The data’s 100% theirs.” Which is great, because, as FC notes: “News brands … are keen to take ownership of a key interaction opportunity with their customers.” 

Continuing to build buzz for Project Glass, Google on Wednesday released a video demonstrating how the high-tech glasses display interactions and services when in use. “The video demos voice interactions, photo and video capabilities, sharing features, turn-by-turn navigation and Google Now integration,” The Next Web reports. Google has also expanded preorders for the glasses. 

Apple's iPhone 5 outsold Samsung's Galaxy S3 by about 12 million units in the last quarter of 2012, Strategy Analytics reported on Wednesday. That, according to the research firm, makes the iPhone 5 the world’s top selling smartphone. “That's not terribly surprising,” Fortune notes. “What is surprising is that … the iPhone 4S -- discounted by Apple when the new model came out -- also overtook the Galaxy S3.” 

Yahoo on Wednesday debuted a new homepage, with, as The New York Times’ Bits blog puts it, “Marissa Mayer’s stamp all over it.” Until now, Bits thought Yahoo’s homepage “a sort of sad reflection of the company.” Coming from Google however, Yahoo’s young CEO has successfully applied “that same, clean aesthetic to one of the most chaotic sites on the Web.” 

It’s estimated that the Web currently encompasses more than 14 billion individual pages. Remarkably, however, it takes no more than 19 clicks to navigate from one page to any other page on the Web, according to Hungarian physicist Albert-László Barabási. As Smithsonian.com reports, “Barabási credits this ‘small world’ of the Web to human nature -- the fact that we tend to group into communities.” 

Microsoft seems to be getting some good traction with Outlook.com. Since replacing Hotmail six months ago, Microsoft’s new email service has attracted some 60 million active users, a third of whom were previously Gmail users, according to Microsoft. For better or worse, Outlook.com carries about 60% fewer ads than Hotmail did, Bloomberg reports. 

Yahoo head Marissa Mayer has tapped Laurence “Laurie” Mann to head up the company’s search efforts, sources tells AllThingsD. A longtime Yahoo employee, Mann most recently served as SVP of engineering operations. As AllThingsD reports, Mann has his work cut out for him considering Yahoo’s troubled search partnership with Microsoft.  

Like Apple and Microsoft before it, Google is reportedly developing a physical retail strategy in the U.S. The Wall Street Journal calls the would be move “another sign the company is studying [Apple’s] playbook for building a consumer-electronics brand.” We don’t yet know when or when Google stores will start popping up, but they will surely stock Google-branded hardware. Colorful interiors are also likely. 

TechCrunch’s Josh Constine thinks it is only a matter before Facebook suffers a major user-data breach, the likes of which will forever damage the network’s business. On Friday, for instance, Facebook revealed that a “sophisticated attack” uploaded malware onto the computers of several of its engineers. “So far, there’s been no evidence that any user data had been compromised,” Constine reports. “Regardless, it was a very close call.”