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Chris; I know what symbols are, I have to use them a lot, writing in 3 languages with an English keyboard, but if you write some text in Windows Live mail for example, highlight it and change it to 'Bookshelf Symbol' or the lower down, 'Symbol', it is gobbledygook, and no one can read it, even yourself, but you can highlight it again and transfer it back to legibility in another font.
I'm not sure if you could send an email in it though. I'm asking what is its purpose?