Tech Companies Race to Bring Artificial Intelligence to Market KQED

It's been a busy month in the field of artificial intelligence (AI). In a face-off of man versus machine, the world champion of the Go board game lost to Google's AI program. And just last week, Microsoft unveiled a program designed to Tweet like a teenage girl -- only to have it devolve into praising Hitler and lambasting feminists. Both these events offer a glimpse into the machine learning industry, where companies are competing to create the first viable artificial intelligence software. Forum discusses the latest in AI and machine learning - a field that's estimated to reach 40 billion by 2020.