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celebrity endorsement: to have a well-known person promote a product

classified ads: small advertisements often put in a newspaper or magazine by individuals

to cold call: to call someone with the aim of selling something without them asking you to do so

commercial break: the short period during TV programmes when advertisements are shown

commercial channel: TV channels that make money from showing advertisements

to go viral: to quickly become extremely popular on the Internet through social media

junk mail: unwanted promotional leaflets and letters

to launch a product: to introduce a new product

mailing list: a list of names and contact details used by a company to send information and advertisements

mass media: large media outlets like TV, newspapers and magazines

niche product: a product that is aimed at a distinct group of people

to place an advert: to put an advert somewhere

press release: something written by a company for newspapers and magazines and websites to share and publish

prime time: the time during the viewing schedule when most people watch TV or listen to a broadcast

product placement: to advertise a product by using it as a prop in a TV show or film

sales page: a page specifically used to promote a product or service

to show adverts: to display adverts on TV

social media: websites that enable users to create and share content or to participate in social networking.

spam email: unwanted, promotional email

target audience: the people a company want to sell their product or service to

word of mouth: recommendations made by individuals to other individuals about a product of service