Which major promotion category uses catalogs, direct mail, e-mail, mobile marketing and social media?

a) sales promotion

b) direct and digital marketing

c) horizontal diversification

d) public relations

e) advertising

Option B

Explanation: In simple words, direct marketing refers to a marketing strategy in which a company directly interact with its customers in regard for making its marketing efforts.

On the other hand, using digital means for the process of marketing is called digital marketing strategy. It is done as it is fast and has a wider reach than other mediums.

In both the cases, the sources of marketing are same such as email and social media etc as these are digital and only through these an organisation can easily connect with their customers without any marketing intermediary.

answer(b) revenue account which increases;