Everyone knows Google is changing the way college kids write their term papers. What’s less well-known is that it’s also changing how Supreme Court justices write their opinions.

In an article in the Virginia Law Review, Allison Orr Larsen, a law professor at the College of William & Mary, shows just how prevalent online research is at the Supreme Court. After analyzing the citations in 10 years’ worth of Supreme Court opinions, Larsen finds that, more and more, the justices are Googling for themselves, and drawing on facts they find through the Internet to explain their decisions.