Is segmentation an outdated concept? Discuss

There are four types of consumer products - shopping, convenience, unsought and speciality. Provide one example for each of these products and then imagine you are a marketing manager of those products that you identified as an example. What major aspects (e.g. price, brand, availability, uniqueness, etc) would you emphasise on when promoting these four types of consumer products? Explain your answer in one sentence each.

Knowing which stage of the purchase decision process the consumer is in can affect the promotional mix.How does the importance of advertising, personal selling, and sales promotion change as a consumer moves through stages of the decision process?

Develop convincing arguments supporting either the qualitative or quantitative method of conducting market research?