When you create a html document in a certain font and want to share it with others on the internet, they wont be able to view the font unless they download it and install it on your computer. Unless of course you embed the font within the document.Flash also allows you to embed fonts, the difference is that while embedding fonts in HTML is problematic, Flash allows you to embed fonts flawlessly. So the person viewing the flash file can any fonts used within it without having the font installed on their computer.Despite the fact the flash makes embedding fonts so easy, they remain one of the most frequently reported sources of problems on flash forums.