then, they hear on the very same night almost, two nights later, the he joins marc benioff in raising funds for the new ucsf children's hospital and donates $1 million just that night. that is a wonderful contribution to our city. the commitments being made from the tech companies to be part of this great city served as an economic foundation for our whole approach to welcoming technology companies. in addition to twitter and zendesk, we have autodesk. i have been meeting with them every six months because every six months, i think they are going to expand another 25,000 or 30,000 square feet. he wants to expand the product he has with the new three- dimensional use by literally everyone in the entertainment industry as well as the building industry, making the product completely successful. that adds to zynga and mozilla and all the other tech companies moving in, so i am convinced that tech -- san francisco remains the industry leader. of the 4.6 million square feet of office space that was least in the last eight months, in 2011, 1.6 million square feet of office space was leased b