The oldest â and perhaps simplest and most natural form of marketing â is 'word of mouth' (WOM) marketing, in which consumers convey their experiences of a product, service or brand in their day-to-day communications with others.taying ahead of the consumer is an important part of a marketer's job. It is important to understand the marketing environment in order to comprehend the consumers concerns, motivations and to adjust the product according to the consumers needs.
In 1925, Ernst began using the technique of frottage, which involves laying a sheet of paper over a textured surface and rubbing it with charcoal or graphite (the same process can be used to create a rubbing of a coin or an engraved surface).
Froth flotation is an important concentration process. This process can be used to separate any two different particles and operated by the surface chemistry of the particles. In flotation, bubbles are introduced into a pulp and the bubbles rise through the pulp.