How to Use GOOGLE CACHE to find Price Drops (YOUTUBE.COM)

This is for beginners! Simple stuff

Illustrated here:


Nice one.

Is it just me or are the caches being refreshed more often lately, than a few month ago?

I dont know but sometimes I check with yahoo cache to see if they have a page saved from a move distant date - I do this if I know for a fact the price was reduced and cant find a cache.

Another useful tool

some more for good measure

do you know the name of the program from this site ?