What you really need to know about branding is right here:
In its obit for John S. Barry, the exec who's credited with making WD-40 the lubricant found in 80% of American homes, the NY Times says
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Mr. Barry acknowledged in interviews with Forbes magazine in 1980 and 1988 that other companies, including giants like 3M and DuPont, made products that closely resembled WD-40.
“What they don’t have,” he said, “is the name.”
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