Smart glasses are often praised for being the next step on from the smartphone. Maybe we’ll use them for calls and messages, and all sorts of information will flash up before our eyes, as sound is directed into our ears. This year, the Consumer Electronics Show floor in Las Vegas was awash with smart glasses. BBC Click’s Lara Lewington tested some of them out. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #AI #SmartGlasses #BBCNews