I am not going to judge what Yahoo spends their money on, because for all I know, it could have been free. But look at this picture of a Yahoo door with the Yahoo exclamation point of their logo carved into the door as a window.
This is supposedly the new office door for the Senayan Office which opens this or next week.
The picture was taken on This photo was taken on April 29, 2011 using a Google Nexus S by Satya Witoelar. It is available on Flickr for more information.