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 Propaganda. Propaganda is a form of communication which carries a biased message and is intended to influence others to accept or reject certain views or agendas. Propaganda involves spreading ideas or informationâwhether true or falseâto the general populace such that popular opinion sways in a certain way.