Google kept Glass, its intriguing head-mounted personal computer, rather low-key in 2013. There was a notable hardware revision which bundled in a mono earbud, as well as some welcome software improvements, such as support for Google Play Music and the ability to take a photo with a casual wink. Google is now touring the United States to let the public try Glass for themselves. While there is no guarantee that Google will release new Nexus devices in 2014, we think it’s highly likely. Further refinements for Android should be expected in 2014,