The nice Seal bug, also called "The Issue" – among the list of to start with passive covert listening equipment; very first utilized by the USSR for spying (1945 or previously); it is considered a predecessor of RFID technologies[fifty two] In the 1989 interview with musicologist Olivia Mattis, he reported: https://shaneinstt.dsiblogger.com/71311813/mezzbarriers-secrets