An AI Primer. What do we think it is Today?

Good primer in a talk  AI, Deep Learning, and Machine Learning:   – in  Andreessen Horowitz

" .... Things are clearly progressing rapidly when it comes to machine intelligence. But how did we get here, after not one but multiple “A.I. winters”? What’s the breakthrough? And why is Silicon Valley buzzing about artificial intelligence again?

From types of machine intelligence to a tour of algorithms, a16z Deal and Research team head Frank Chen walks us through the basics (and beyond) of AI and deep learning in this slide presentation. .... " 

I have been through all this myself,  are we there yet?   And where is that?  Here is one take.