Updated:Meet the "Bra-nomics" - the latest business venture looking to cash in on the buzz surrounding Japan's prime minister. "They make your chest grow 2%, just like the recovering economy!" The thing is, they're not even for sale. The company designed this racy underwear just to boost its corporate profile. It's one example of a common marketing tactic called "binjo shoho" in Japan - literally, 'jumping on the bandwagon.'