Where we're living we have a certain amount of our profit every year it's like a percentage 5 or 7% or something like that that we set aside specifically for charity things.
Once I'd reached the point where I could squirrel away more than 30 digits a minute in memory palaces, I still only sporadically used the techniques to memorize the phone numbers of people I actually wanted to call. I found it was just too simple to punch them into my cell phone.