The good Seal bug, also known as "The Issue" – on the list of initial passive covert listening gadgets; very first utilized by the USSR for spying (1945 or before); it is taken into account a predecessor of RFID technology[fifty two] Within a 1989 job interview with musicologist Olivia Mattis, https://cesarqchru.imblogs.net/87998836/examine-this-report-on-mezz-barriers