Sometimes you have the time/desire to read a long article, and sometimes you just really don't. TLDR (which stands for Too Long, Didn't Read) is a web app and chrome extension that summarizes articles so you can quickly familiarize yourself with the main points.
It's super easy to use—just copy and paste the URL for whatever article you want summarized on the site. Or you can paste the entire text of the article.
TDLR tends to work better on longform articles or news pieces, like this article from The Guardian on the climate change debate:
Of course, reading an article in its entirety will provide you with the most context and information, but TLDR is certainly a quick and easy way to get the gist.