Define-It от Rhenier Kloppers

An easy way to seamlessly learn while browsing the web, Define-It makes it easy to learn the definitions of a word while browsing the web, simply select the word you're curious about, click on the discreet popup-icon to the bottom right of the word (video example: https://www.youtube.com/watch?v=Qxz-4NH2xys) and viola! You've just learned a new word!