Find words or phrases in the text which match the following meanings. 1.to introduce a new product, etc. to the public or into the market 2.a written or printed list of questions to be answered by a number of people, esp. to gather data or as part of a survey 3. to bring together in a group or mass; to gather 4. a feeling of liking or wanting someone or something more than someone or something else 5. the ultimate consumer of a product, esp. the one for whom the product has been designed 6. agreement to, or permission for something, esp. a plan or request 7. to make certain that something will happen 8. easy for people who are not experts to use or understand