On a sunny May day in 2012, Google cofounder Sergey Brin walked down King Street in San Francisco's SoMa neighborhood with a pair of black, lens-free smart glasses on his face.
원문출처 : https://www.cnn.com/2021/09/09/tech/facebook-smart-glasses-rayban-stories/index.html
원문출처 : https://www.cnn.com/2021/09/09/tech/facebook-smart-glasses-rayban-stories/index.html