SAN FRANCISCO, April 23, 2002–Visa U.S.A. today unveiled the smart Rewards Platform, a fully integrated, chip-enabled rewards solution with end-to-end transaction and servicing capabilities. Vying to significantly reduce financial, technical and time-to-market burdens currently faced by card issuers and merchants, Visa’s shared-system initiative is expected to accelerate the adoption of rewards services on multi-application smart…