Is it worth spending $400 more for a retina display on the latest Apple MacBook Pro? To find out, we compared the company’s new 15-inch laptops. The MacBook Pro with Retina display ($2,200) has a 2880 x 1800 display, while the MacBook Pro ($1,800) has a 1440 x 900 screen

Smart phones are getting more laptop-like, with larger screens, powerful muti-core processors, and snazzy operating software such as Apple iOS and Google Android. But ClamCase is making the case—or at least the peripheral—that could give full-size laptops or ultrabooks a run for their money. The company is working on the ClamBook, an Apple Macbook-like device that will physically connect to any smart phone and offer users a mobile computer -like functionality