Well done Nintendo.
The mii channel allows you to make an animation of yourself to use in certaing gmaes on the nitendo wii, some of those games include, wii sports, wii play and Mario and Sonic at the olympic games.
The wii shop allows you download other wii chanels and game sfrom previous nintendo consoles such as the NES.
The news and weather chanels provide news and accurate weather forecasts from all around the world.
The mii consest channels allows you to post mii's from the mii channel for all the world to see, many people post animations of there faveourite celebrities and cartoon channels. Also nintendo set you a task to make an animation of a cartoon charater or person ( e.g. Red Riding Hood without the hood) then you can vote for who you think should win and view who the winners are. It also tells you where your mii finished and where the mii's you voted for finished and gives you a ranking of how good you are at making mii's and how good at spotting quality mii's.
The everybody votes channel allows you to bring up issues important to you and gets people to vote for them and you can also vote of what you think about other peoples issues.
The newest of the wii channels, the nintendo channel, lest you see the lastest videos to do with wii games and to have a brief look at the genre and develepors of new wii games.