Build a talking, face-recognizing doorbell for about $100

By Stephen Downes - Stephen's Web. Build a talking, face-recognizing doorbell for about $100
Lukas Biewald, O'Reilly, 2017/03/16
Even if (like me) you don't have the time and space in your life to construct one of these, just reading the article is enough to give you inspiration. It also gives you a 20-20 glimpse into the future. More...