on, and reads the instructions for downloading the coupon. [0051] Step 430: Client Links to LSD [0052] In step 430, the client initiates communication with the LSD using client-to-vendor wireless communication pathway 255 via a hand-held or wearable communication or computing device such as a PDA or WIA that is enabled for wireless communication. [0053] Step 440: LSD Links Back to Client [0054] In