Difference between revisions of 20-20-20 rule
Viceroy Sam (talk | contribs) m added Category:Articles using HotCat |
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<big> | <big> | ||
* Every 20 minutes | * Every 20 minutes | ||
* Look 20 feet away | * Look 20 feet away (6 meters) | ||
* For 20 Seconds</big> | * For 20 Seconds</big> | ||