Too Long; Didn't Read [TL;DR] (also pronounced "teal deer") is an informal dismissive response (made by people who don't have hours to read and parse long articles) when responding to online posts or articles that appear needlessly long. Many articles can be improved by shortening them, primarily to condense and clarify. As Mark Twain is [incorrectly] reputed to have said, "If I'd had more time, I would have written less." TL;DR is also used to to describe a summary of something much longer, such as "a 'TL;DR' video". Compare to WOT.