I've always heard Oracle CEO Larry Ellison had big cojones. No photographic proof, alas, has arrived at Valleywag yet. But this gigantic disco ball — so large it had to be transported by flatbed truck — for an event at Oracle's OpenWorld conference, which starts tomorrow, seems proof enough. To make room for Oracle's other outsized ambitions, San Francisco has closed off Howard Street through next Saturday. (Photo by Royce Perez)

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