The given statement " During the Marketing Department Era companies increasingly relied on a variety of marketing activities to find ways to expand markets and sell more product " is TRUE
Explanation:
As increasing numbers of companies begin to use SMS marketing, their marketing communications strategy is likely and effective.
Marketers and advertisers delivered ads to customers during much of the time of their revenues, regardless of whether they were interested in the product or service. Seth Godin considers mainstream marketing "interruption marketing," a marketer and entrepreneur.
The 7 Era's of marketing: