Virtual assistant technology is rapidly spreading on smartphones and devices like Amazon's Echo
Virtual assistant technology is rapidly spreading on smartphones and devices like Amazon's Echo. But Silicon Valley is taking note of a less mainstream product called Viv that comes from two of the men who dreamed up Siri, before it was bought by Apple. Viv co-founder and CEO Dag Kittlaus joins "CBS This Morning" to discuss the new generation of virtual assistants powered by artificial intelligence.
