When X's engineering team published the code that powers the platform's "for you" algorithm last month, Elon Musk said the ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...

Over the years, the travel to festivals was based on the generic formula: to book a flight, to find a hotel that is located ...