Ad men are the Goddesses and Sirens of the Culture Avalanche.  Levi’s cracked it out in the clothing game for cycling commuters and Amgen is amp’n out the Tour of California on Metro Transit.  iSpied this velo-vertisement plastered o’side of a Metro-Unit on Venice Blvd just west of the 405. [CogJoint.com] window.fbAsyncInit = function() { [...]