NELSON MANDELA

• Incremental - Continuous Testing and Refinement. Starts from an existing product. Called also Hill Climbing (move your foot in one direction - if it is uphill, take one step. If not, change direction. Do that until the top of the peak). Con: cannot find a higher hil...

The snowy hill represents the brain, the people sledding are like the memories, and the trails left behind are the synapses in the brain.

Think of the brain as a hill covered in snow, and thoughts as sleds gliding down that hill. As one sled after another goes down the hill a small n...

Napoleon Hill tried his hand at a number of businesses. But at every turn, there was some kind of shady dealing that would cause his business ventures to crumble.

Promoters of Hill claim that it was all a matter of bad luck, and Hill's naivety. However, there are only so many times t...