it's kinda interesting, if only from a theoretical point of view.
I was looking up 'brain training' and it popped up. You don't have to buy anything to try it.



(Sorry if this is against the rules, it didn't seem to be as far as I could see...and I thought people might find this interesting. And I'd like to know what you guys think...but just wipe it off if it's naughty ;)