Minecraft: Hopper Tutorial, Item sorting explained for everybody.

This hopper tutorial is about how to build Item sorting systems in minecraft 1.5.2 and most likely later releases as well.
Starting by explaining hoppers this tutorial leads you all the way to understanding how item sorting systems with hoppers droppers and comperators work.
We start by explaining the attributes of a hopper, slowly add comperators, droppers and other redstone to the mix, explain the thought process required to turn a simple hopper into a finished sorting system with and without utilizing waterstreams.
After watching you should be able to to figure out how to build your own automated base sorting everything in the chests you want.

World download:
http://www.mediafire.com/?zieaw1zef7fy52i

--- used music ---
"CMA - Dream Away" by CMA Music
http://soundcloud.com/ezx-dubstep/cma-dream-away
CC-BY http://creativecommons.org/licenses/by/3.0/