The Washington Post: Think counting on your fingers is dumb? Think again.

Think counting on your fingers is dumb? Think again.
It’s a useful form of visual learning.

https://www.washingtonpost.com/national/health-science/think-counting-on-your-fingers-is-dumb-think-again/2016/07/29/1b1c9d94-5293-11e6-bbf5-957ad17b4385_story.html

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