After Apple introduced the iPhone's touchscreen technology in 2007, it was only natural that fans would start speculating as to whether it would ever be incorporated into the company's massively popular MacBooks. But with characteristic conviction, Steve Jobs' put at end to those rumors in 2010 when, at an unveiling for the OS X Lion, he declared that "Touch surfaces don't want to be vertical." For the Lenovo Yoga's sake, let's hope Jobs was wrong about that. And also because a new concept video,...