|Look up TL;DR in Wiktionary, the free dictionary.|
TL;DR, short for "too long; didn't read", is Internet slang to say that some text being replied to has been ignored because of its length. In slang it can also stand for "Too lazy; didn't read". It is also used as a signifier for a summary of an online post or news article.
On reddit, tldr is the subreddit serving as the site's daily recap. Long posts on reddit are also frequently followed or preceded by a summary, consisting of a sentence or brief paragraph, that is prefixed by the phrase "TL;DR", and the abbreviation is sometimes used as a noun denoting such a summary, as in "Please include a TL;DR along with your post".
This section needs expansion. You can help by adding to it. (February 2017)
The reddit bot "autotldr", created in 2011 automatically summarizes news articles in the comment-section of reddit posts. It was found to be very useful by the reddit community which upvoted its summaries hundreds of thousands of times.
Various applications, services, websites, groups and individuals that summarize lengthy content exist online.[which?] Wikipedia and especially its lead sections can be seen as such a website.[better source needed]
Furthermore, some journalists have started adding "tl;dr"s to their articles and many already add summarizing subheaders. The uses of such summaries include that readers can thereby decide whether or not they are interested in investing their time in reading the full article.
In the scientific community, this concept is known as an "abstract" and has been around for many many years. It's a short summary of research, that gets the main ideas across in a few sentences so that you can decide whether it's worth your time to read (sometimes pay for) the entire paper.
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TL;DR, abbrev.: ‘too long didn’t read’: used as a dismissive response to a lengthy online post, or to introduce a summary of a lengthy post.
- "Too long; didn't read (TLDR or TL;DR)". reddit.
- Caldwell, Patrick (August 14, 2012). "Too Long, Didn't Read My Rights". The American Prospect. Retrieved 2014-12-04.
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- Chen, Yuqing. "Letter to the editor: Wikipedia summarizes information". La Voz News. Retrieved 9 February 2017.