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.
sensation noun (EXCITEMENT). âº [C] âgreat excitement or âinterest, or someone or something that âcauses excitement: His first ârecordings caused a sensation and âbecame âclassics of ârock. (Definition of sensation from the Cambridge Academic Content Dictionary Â© Cambridge University Press).