ViVOtech announces new RFID payment applications; NXP chip supports Advanced Encryption Standard; Ekahau upgrades location engine; TI makes fobs and wristbands for PayPass; SAP certifies SupplyScape's e-pedigree app; Atmel, Melexis partner on payments, ID apps; Mercury4 gets green light in So. Korea; collaborative RFID approach can hasten ROI, says Aberdeen.