How do I use the Kindle for reading?

Question by Andy V: How do I use the Kindle for reading? -What is Kindle? -Do I have to purchase machine or can I download a software? -how significantly is the machine or software package? -When you purchase a kindle book from Amazon, exactly where do you get it to? Whats the file extension? Can I study on my Computer and a fiends kindle? -anything at all you want to add? Pardon my ignorance make sure you, no nasty answers I hope. Finest solution:
Solution by HP Wombat
http://www.youtube.com/watch?v=xs755bLrOvg Heeere ya go
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