Malcolm Gladwell’s book “Outliers” posits that Bill Gates, the Beatles and other very successful persons attained that status by adhering to the “10,000 Hour Rule” of committing at least that much time to honing their skills. This brief but important article from the Smithsonian takes issue with Gladwell’s claim and holds that “The 10,000 Hour Rule is Not Real.” Some related article links in the article are worth a look as well.