Calibrate—New Chrome Extension for hiding numbers so you can guess

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One thing I wish I did more often is checks to see if I understand the world—Fermis, landmark numbers, predictions about how things work, etc.

Along the way I started wishing I could cover up numbers on websites so I would have the chance to guess first and then reveal via mouseover, and Aur Saraf agreed to make a chrome extension, and here it is! Lets you set the default for a whole site or a page. (Not good for dynamic sites like twitter)

Extremely excited.

The code is open source here if you want to add any feature requests.

(I think I want to change the name—let me know if you have thoughts)

Crossposted to EA Forum (26 points, 4 comments)