The document discusses internal marketing as a means of involving staff at all levels in marketing programs to understand their role and the overall marketing orientation. It also explains the 7 Ps of the extended marketing mix for services - the traditional 4 Ps of product, price, place and promotion along with the additional 3 Ps of people, process and physical evidence which are unique to services marketing due to the intangible nature of services. Supplementary or ancillary services are additional services offered by companies to enhance the customer experience.