I’ve recently started trading bitcoins algorithmically on the new Coinbase exchange. After reading about High-Frequency-Trading in the book Flash Boys by Michael Lewis, I decided I’d give it a shot myself, albeit in a clumsier, more amateurish way.
A while ago a friend of mine asked me how I would go about building a ‘People Who Like This Also Like …’ feature for a music startup he was working at. For each band or musician, he wanted to display a list of other artists that people might also be interested in.
Famously, preschoolers who waited longest for the marshmallow went on to have higher SAT scores than the ones who couldn’t wait. In later years they were thinner, earned more advanced degrees, used less cocaine, and coped better with stress. As these first marshmallow kids now enter their 50s, Mr. Mischel and colleagues are investigating whether the good delayers are richer, too.