I loved Stanford and symbolic systems. For me, I came to Stanford assuming I would be a doctor and got really deep into chemistry and biology, but I noticed everyone who was on the same track as me was taking the exact same classes. I wanted to do something more unique.

Before Google, I spent the summer building a program that would look at what websites you would go to and what websites other people would go to - and built a collaborative filtering program that helped you find related sites to look at.

One of the interesting applications of symbolic systems is artificial intelligence, and I spent some time thinking about how to create a brain that operates the way ours does.

Marissa Mayer Quotes