Dag Kittlaus, Siri co-founder and former CEO, says Apple made some missteps in the development of Siri but is optimistic about where they are today. He speaks on "Bloomberg The Close." -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http://www.bloomberg.com for business news & analysis, up-to-the-minute market data, features, profiles and more.