A Javascript COVID-19 Billboard in Silicone Valley Only in Silicon Valley, a Covid-19 billboard in JavaScript. It was put out by @HealthySCC along Central Expwy near SJC Airport. Developed by Stanford code expert, and SC County employee. #SiliconValley #WearAMask pic.twitter.com/PexL2xk3OF— Ian Cull (@NBCian) October 8, 2020