Home » BBC News - Technology » technology news » 'Smart' face masks promise high-tech protection 'Smart' face masks promise high-tech protection Unknown 4:37 PM BBC News - Technology technology news BBC Click's Lara Lewington puts some "smart" face masks to the test. from BBC News - Technology https://ift.tt/3pxMQKy Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati