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- 10000-Hour Counter - Master
- iOS Appar: Livsstil Av: ChungMin Jung
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- Poäng: 1 + 0 Version: 1.0 Your Simple, Powerful Companion for 10,000 Hours of Mastery Malcolm Gladwell's "Outliers" introduced the 10,000-hour rule - mastery in any field requires 10,000 hours of deliberate ... ⥯