Eliminating Robocalls | Hacker News
https://news.ycombinator.com/item?id=19424428Restructuring Twilio, and reducing the size of our team
https://www.twilio.com/blog/restructuring-twilioYour Phone, Your Call - Part I - Eliminating Robocalls - Twilio
https://www.twilio.com/blog/your-phone-your-call-eliminating-robocalls