Encoding symbols and characters in digital form is fairly easy—but making sure that everyone in the world is doing it in the same way sure isn't. Fortunately, Unicode came along—but how the hell does it work?
The Unicode Consortium has the unenviable task of looking after more than 100,000 characters and making sure they're encoded in the same way the world over. This video explains why that was tough, and how the problem was solved. [YouTube]