1. Hinton's approach is not based on biology. He's not trying to make something that functions in a way similar to the brain. 2. Most people don't realize how

1. Hinton's approach is not based on biology. He's not trying to make something that functions in a way similar to the brain. 2. Most people don't realize how much we already know about the brain. Numenta is one company that has working software based on those principles. We don't fully understand the brain yet but we're not clueless either.