The most impressive aspect of Microsoft's statement on Thursday in favour of caring and sharing wasn't in anything the company said. It was the speed at which the world, or that part of it not in a commercial relationship with Microsoft, digested the information and replied: Heard it before.
http://news.zdnet.co.uk/leader/0,1000002982,39341145,00.htm
...Sun Microsystems released large amounts of the source code to the community driven OpenOffice.org project under an openlicence. At the same time an XML community project was created with the goal of defining an XML specification for the interchangeable...
http://www.daimi.au.dk/~therese/ODFA%20UKAG%20Technical%20White%20Paper.pdf