Time your handwashing with a do-it-yourself Spotify soap dispenser

7:38am PDT - March 26th, 2020    this is us - Engadget

Wash your hands thoroughly for at least 20 seconds -- that's the key advice from the World Health Organization during the coronavirus outbreak. This is commonly touted as the length of time it takes to sing "Happy Birthday" twice, and while that's a helpful a…