Which marketing strategy was first permitted for prescription drugs in the US in 1997, fundamentally changing pharmaceutical promotion?

The pharmaceutical industry has pioneered various innovative marketing strategies over the decades. One particular breakthrough significantly changed how pharmaceutical companies promote prescription medications. Test your knowledge about this marketing milestone that transformed the medical product landscape and patient awareness in the United States.

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Direct-to-Consumer (DTC) television advertising
Celebrity physician endorsements
Medical device companion apps
Pharmacy loyalty discount programs