Just how does a web host make any money

One of the real mysteries of the internet is how a hosting company actually makes any money at all, a further mystery is how they are able to capitalise on what they actually have and turn this into a money making proposition. luckily it seems that we are not the only people around who are thinking like this as the folks over at loadingartist.com have put their ideas on this subject into a brilliant cartoon, but how close to the truth is this?

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