Didymo is a member of the group of single-celled aquatic plants (freshwater algae) known as diatoms. Although it is microscopic, didymo can form dense colonies called algal blooms which can be seen with the naked eye.
From a marketing perspective, publicity is one component of promotion which is one component of marketing. The other elements of the promotional mix are advertising, sales promotion, direct marketing and personal selling. Examples of promotional tactics include: 1  Announce an appointment.
Promotion, also referred to as marketing communications, is the process of an organization communicating information about their brand and products to the marketplace (customers, stakeholders and the public). From the above definition, it is clear that the basis of promotions is communication.