This is pretty cool!
Quote: Highlighting a word or passage on the Times website calls up a question mark that users can click for a definition and other reference material… It turns out the Times tracks usage of that feature, and yesterday, deputy news editor Philip Corbett, who oversees the Times style manual, offered reporters a fascinating glimpse into the 50 most frequently looked-up words on nytimes.com in 2009. We obtained the memo and accompanying chart, which offer a nice lesson in how news sites can improve their journalism by studying user behavior.
