Question: Which American multinational corporation headquartered in San Jose, California , developed a keychain RFID device introduced in 1997 by Mobil Oil Corp?
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