Squeak is the new media. To be the new media Squeak has to give us the option to convert a lot already created documents.
OpenOffice is an open source project and its format is well specified and it's based on XML and Zip (see http://xml.openoffice.org). OpenOffice also has a lot of good job to handle propietary formats so, importing OO format, we'll able to import really a lot of content.