It's a nightly nuisance many of us are familiar with: waking up, getting out of bed and going to the toilet because we need to pee. For some it's not just one trip to the toilet, but two, or three, or ...

This first appeared in the Planet Money newsletter. Sign up here! A few years ago, Cory Doctorow coined a word that took the internet by storm. It appeared everywhere, including in our newsletter that ...