For people who are blind or visually impaired, and for workers in trades such as construction, smart glasses can offer hands-free help by describing surroundings and identifying objects. But the glasses have faced serious criticism for being used by some to secretly film. Tech Now's Zoe Kleinman tests out the latest smart glasses and asks if new designs can help to shake off their "creepy" reputation. Subscribe to our channel here: https://bbc.in/bbcnews For the latest news download the BBC News app or visit BBC.com/news #Technology #BBCNews