Never one to miss a chance to waste my time and vote in useless polls

I was drawn irresistibly to this thread and thought I'd contribute by seeing what Google says.
So I googled "ebook" and the entries it came up with in order were:
1. eBook
2. E-book
3. e-book
4. ebook
and then I saw the magic phrase "free ebooks" and got distracted, cos if they're free, I don't care how you spell it.
And I've just noticed that my Firefox spellchecker marks nos 2 and 3 above as correct, and 1 and 4 as wrong. So that probably does prove that William the Conqueror's real name was Norman. Though of course all his colleagues called him William the B**tard. Not a lot of people know that.