1. Unicode has no idea of "bytes" at all. 2. Only in the UTF-32 encoding, which no one uses, are all characters represented by 4 bytes. Most sites today use U

1. Unicode has no idea of "bytes" at all. 2. Only in the UTF-32 encoding, which no one uses, are all characters represented by 4 bytes. Most sites today use UTF-8 where most characters on a standard keyboard are 1 byte, and almost all characters from any language take 3 bytes. 3. Even 19 characters is a lot better than 12.