check out this article for some easy life applications:
http://www.grist.org/advice/ask/2005/08/22/umbra-eitheror/index.html?source=daily
seriously, go there now.
stop being lazy, copy the url and put it in the address box and go and read this article.
now.
right now.
go.
why are you still reading this?
go read it now and then act you lazy idiots!
go read.
byeness