Just 12 months ago, the Ultrabook was widely regarded as the PC market's savior. Since then, it's become more of a punch line. The Ultrabook made a splash at CES 2012 with its ultra-thin form factor, touch screen and longer battery life. Intel touted the Ultrabook as the device that would lead the revival of the PC against the onslaught of the tablet. Instead, a series of missteps and a global decline in PC sales kept the Ultrabook from fulfilling its potential.