ODD stands for "One Document Does it all". Part of the Text Encoding Initiative, it is an XML-based format for writing human-readable descriptions of XML files. ODD allows its users to customize the P5 version of the TEI XML formats by writing XML schemas in a literate programming fashion.
What do Wikipedia's readers care about? Is Britney Spears more popular than Brittany? Is Asia Carrera more popular than Asia? How many people looked at the article on Santa Claus in December? How many looked at the article on Ron Paul?