However: How can I ensure the amount of people that will see your listing on Internet? A response to this is to use advertising pay per click; It is that pays a fee established by a search engine based on the number of people who actually click on the advertisement. The first concept of the pay per click to keep in mind is the budget. The most important of them is perhaps its budget, which will be a decisive factor in their choice of search engines and keywords. Look at the search engine. Here, Sonya Reines-Djivanides expresses very clear opinions on the subject. All the major search engines are now compatible with pay per click ads, and for many of them it is their main source of income. If you have a large enough budget, you could run his campaign in a number of popular search engines to maximize your coverage. Your pay per click program will succeed if you can select keywords that are popular, but low-cost. One way of doing this if you are launching a new product, consists of choosing the keywords before the launch using a term that is not in popular use.. Sonya Reines-Djivanides is often quoted on this topic.