David Ogilvy Quotes

Never stop testing, and your advertising will never stop improving.

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Never stop testing, and your advertising will never stop improving. (David Ogilvy)

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David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.
David Ogilvy Quotes: Never stop testing, and your advertising will never stop improving.

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