Science is the practice of failing repeatedly but learning as you go.

Value experiences by how much you're learning, and if you're aren't learning, move on.

Deep learning allows you to create predictive models at a level of quality and sophistication that was previously out of reach. And so deep learning also enhances the product function of data science because it can generate new product opportunities.

Cool innovation might happen in startups, but they often lack the resources or the deep expertise in the problems they want to address.

Research by James Poterba at the Massachusetts Institute of Technology finds that the wealth of the U.S.'s elderly is highly skewed. About half of retirees have little or no financial wealth when they retire and depend almost entirely on Social Security for their income.

When e-commerce companies build scale, cost comes down. Companies that can handle scale and reduce costs over time will win. Margins will come from reducing costs over time and not by increasing prices. Technology is the answer at large scale.

When I wrote about media and technology, I had a lot of lonely, even intimate book talks. Since writing about dogs, I have a lot of company at book signings.

For me, modern technology has ruined romance and movies - nobody can run to the airplane gate anymore.