I have been involved with brain and mind enhancement since I was very young, and I have found many of the products that I've tried, at least partially, to be very effective.
You should not buy products to make yourself smarter, because you will not. A good example of how to use the brain power of others for yourself is to use technology. I have found many products that have worked well for me that work equally well on a computer, a mobile device, or even a book. A great example is using video games. One of the best things you can do to increase your brain power is to play a video game that uses some of your brain power. You can try a new game, or you can even play a game that you already have installed on your computer. It will not help you if it is not good for you to play. The brain is an amazing machine and we want to use it. The mind is a wonderful thing and has the power to create the world we want, the one that we love. I recommend doing a quick study to get an idea of how your mind works and try to apply it to your life.