The Impact Formula: New Evidence on the Factors that Lead to Breakthroughs - Study Hacks - Cal Newport

http://calnewport.com/blog/2016/11/16/the-impact-formula-new-evidence-on-the-factors-that-lead-to-breakthroughs/

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First saved: 2017-Jan-09 (Mon)
Last checked: 2017-Jan-09 (Mon), response 200