Often times I read through many discussions about memorizing numbers using different techniques. One technique was Major Systems. I never really understood how it all came together until I saw this video. These videos are for those like me who just didn't get it or don't know about it period.
http://youtu.be/AlxNBTTgZBgand part 2 really brings it all together....
http://youtu.be/vu6DN_goGeoI hope the videos work, but this guy has an awesome site full of resources on memory training.
http://www.aemind.com/ The series of videos on memorizing numbers continues to several parts. He has other techniques for memory training too. I was pretty impressed, so I thought I would share.