Answers.com on New York Times Online — FAQ and screen shot: “New York Times Online is now providing its visitors with a new feature that gives instant definitions, and background information about people, history, technology, culture and other topics from over 18 reference categories. When you Alt-Click (press the alt key while clicking the mouse) on any word on the New York Times Online site, you get a pop-up window – with additional reference information on that word or phrase.” [Link to the press release with additional information.]