Consumer concern with the standards and believability of advertising may have spread around the world more swiftly than have many marketing techniques due to

False advertising

Explanation:

False advertising refers to that advertising in which the misleading information is passed to the final consumers so that the company could earn more and more profits as there is one motive i.e. to increase sales as much the company wants

Therefore according to the given situation, the advertising spread around the world quickly due to the false advertising.

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