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.
Definition of 'Promotions'. Definition: Promotions refer to the entire set of activities, which communicate the product, brand or service to the user. The idea is to make people aware, attract and induce to buy the product, in preference over others. Description: There are several types of promotions.