Joshua Foer on the Use Memory to Prolong Your Life official

On average, people squander 40 days a year compensating for things they've forgotten. Joshua Foer used to be one of those people, but after a year of memory training, he found himself in the finals of the U.S. Memory Championship. Even more important, Foer found a vital truth we often forget: In every way that matters, we are the sum of our memories.