Does voice-activated eavesdropping technology listen in on phone conversations for suspicious words

Cecil, I believe this “Does voice-activated eavesdropping technology listen in on phone conversations for suspicious “keywords”?, July 20, 2001” needs some updating in light of more recent incidents shedding light on the whole “truth” as it has been revealed. by Snowden and numerous others

link http://www.straightdope.com/columns/read/2314/does-voice-activated-eavesdropping-technology-listen-in-on-phone-conversations-for-suspicious-keywords