The black and yellow software watch in the colors of the BVB is a screensaver with countdown function, programmed to the 100-years anniversary of Borussia Dortmund on the 19.12.2009. The countdown panel shows the time left in years, months, days, hours, minutes and seconds. Optionally, users can also insert any other date. In this case the countdown shows instantly the new time left. When the screensaver starts again, default date is shown (19.12.2009). __///__In the settings panel of the saver users can choose one of 4 different backgrounds, changeable again at any time.___///__While running the saver, artful graphics and photos can be loaded per click on buttons.___///___Also the software shows statistics :triumphs (masterships and cups) and Budesliga - placing (since 1963) per mouse-click.___///___Beside this, tribune anthem is loadable by click.___///___Registered users of the black-and-yellow-anniversary-software-watch are able to load an free update after the season 2007/2008 with refreshed statistics. The producer reserves the option to offer this service after the following seasons or not, which depends on the resonance of the product.