What is the difference between Marketing $2$ Consumers and Marketing $4$ Consumers?

Multiple Choice

Marketing $2$ Consumers targeted consumers based on demographic characteristics.

Marketing $2$ Consumers saturated consumers with advertising to gain consumer attention.

Marketing $4$ Consumers uses mass marketing to reach as many consumers as possible.

Marketing $4$ Consumers puts product creation exclusively in the hands of marketers.

Marketing $2$ Consumers avoided marketing to consumers who had no interest in the product.