Question: Speedpass is a keychain RFID device introduced in which year, by Mobil Oil Corp., for electronic payment, it was originally developed by Verifone?
Sentence (from "Speedpass"): Speedpass is a keychain RFID device introduced in 1997 by Mobil Oil Corp. (which merged with Exxon to become ExxonMobil in 1999) for electronic payment.
Relevant evidence: Yes