Tonya Hall sits down with Ian Barlow, Do Not Call program coordinator at The Federal Trade Commission, to talk more about how he is going about enforcing the Do Not Call program and the technology behind it. Follow ZDNet: Watch more ZDNet videos: http://zd.net/2Hzw9Zy Subscribe to ZDNet on YouTube: http://bit.ly/2HzQmyf Follow ZDNet on Twitter: https://twitter.com/ZDNet Follow ZDNet on Facebook: https://www.facebook.com/ZDNet Follow ZDNet on Instagram: https://www.instagram.com/ZDNet_CBSi Follow ZDNet on LinkedIn: https://www.linkedin.com/company/zdnet-com/ Follow ZDNet on Snapchat: https://www.snapchat.com/add/zdnet_cbsi Learn more about your ad choices. Visit megaphone.fm/adchoices