ODF - Open Document Format
Now that Microsoft Fails to Gain Approval for OOXML it is time to propagate ODF to the public, because this was only round one and in March 2008 there is the final decision on OOXML. You may read the interesting article about ODF in the Red Hat Magazine. Spread the "word". Inform your family and friends. Inform your local politicians. Try to get your employing company to use ODF as the format for document exchange and promote ODF with some ODF - Web Buttons.