POSTS Tweet from Sun Sep 23 22:32:56 +0000 2012 September 23, 2012 in Microblog Once, on Twitter I wrote: Bison! Sponsored by yahoo CEO marissa Mayer and Zachary bogue Tweet Previous: Tweet from Sun Sep 23 22:37:27 +0000 2012 Next: Tweet from Sun Sep 23 22:29:23 +0000 2012