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.
(usually used with a plural verb) the means of communication, as radio and television, newspapers, magazines, and the Internet, that reach or influence people widely: The media are covering the speech tonight. adjective. 3. pertaining to or concerned with such means: a job in media research.