The marketing mix is generally accepted as the use and specification of 'the four Ps' describing the strategic position of a product in the marketplace.
Broadly defined, optimizing the marketing mix is the primary responsibility of marketing. By offering the product with the right combination of the four Ps marketers can improve their results and marketing effectiveness. Making small changes in the marketing mix is typically considered to be a tactical change. Making large changes in any of the four Ps can be considered strategic. For example, a large change in the price, say from $19.00 to $39.00 would be considered a strategic change in the position of the product. However a change of $131 to $130.99 would be considered a tactical change, potentially related to a promotional offer.
One of the most notable means of promotion today is the Promotional Product, as in useful items distributed to targeted audiences with no obligation attached. This category has grown each year for the past decade while most other forms have suffered. It is the only form of advertising that targets all five senses and has the recipient thanking the giver. Public relations are where the communication is not directly paid for and includes press releases, sponsorship deals, exhibitions, conferences, seminars or trade fairs and events. Word of mouth is any apparently informal communication about the product by ordinary individuals, satisfied customers or people specifically engaged to create word of mouth momentum. Sales staff often plays an important role in word of mouth and Public Relations