It is also quite useless. The key has to be as long as the message. Mordern CryptographY encrypts large things (eg. Digital Movies, Internet Connections, Telephone Conversations, etc.) - dealing with OneTimePads of such a size is simply impracticable.
OneTimePads have been used in specialised circumstances. KGB spies used pencil and paper OneTimePads to communicate. The NSA broke the system because the spies used the OneTimePads more than once[sic!].