It&#x27;s a neat building.  It sits in the design center of San Francicso, and was originally built as a mall.  Here is some of the history.<p><a href="http:&#x2F;&#x2F;www.syserco.com&#x2F;projects&#x2F;zynga" rel="nofollow">http:&#x2F;&#x2F;www.syserco.com&#x2F;projects&#x2F;zynga</a>