the set of products made by a company the use of a well-known person to advertise products
when products are used in films or TV programmes
the introduction of a product to the market.
the length of time people continue to buy a product
the percentage of sales a company has customers of a similar age, income level or social group
the best-selling product or brand in a market
information about what consumers want or need
the second best-selling product or brand in a market