Responsive text size, based on how close you are to the screen1... needs access to your webcam, if you don't have one don't bother following the link.
Via Hacker News2.
Paul Clarke's weblog - I live in Hythe near Folkestone. Wed + father to two, I'm a full stack web engineer, + I do js / nodejs, some ruby, other languages etc. I like pubs, running, eating, home-automation and other diy stuff, history, family tree stuff, TV, squirrels, pirates, lego, and TIME TRAVEL.