Correct Answer: Selling products through personal interaction with customers

Solution : The correct answer is (d) Selling products through personal interaction with customers.

Direct marketing refers to the practice of selling products or services directly to customers without involving intermediaries. It involves direct communication and interaction between the seller and the target customer. Direct marketing methods can include various approaches such as direct mail, telemarketing, email marketing, direct response advertising, or face-to-face selling.

In direct marketing, companies communicate directly with potential customers to promote their products or services, generate leads, make sales, or build customer relationships. The personal interaction can take place through various channels, including in-person meetings, phone calls, emails, or online chats. The goal of direct marketing is to establish a direct and personalized connection with customers, allowing companies to tailor their marketing messages, address customer needs, and track the effectiveness of their marketing efforts more closely.