MODULE 4 - Boolean Searching Task

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I found this task very interesting. Had I read about it before I completed the previous search for the AMP Credit Union, I would have changed my search criteria. But I didn't want to waste any time as I'm so far behind as it is.
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Google - I tried using the Boolean NOT search eg; AMP Credit Union not Credit Union and actually got more hits! The previous amount was about 304,000 and the new amount was 364,000. So I tried it another way. I typed in AMP not Credit Union to see what would happen. This cut the hits down to 268,000 but the very first hit was still for the AMP Credit Union.
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Copernic - I did the same here as I did with Google but this time I received a surprising message; "You do not have to use Boolean operators (or, and) since Copernic Agent automatically manages them." With this search, AMP not Credit Union, there were only 61 hits and 3 of the first 5 had changed.