Introduction The global market for electronic cigarettes (e-cigarettes) has been changing rapidly. There is limited research ...

You can use Google Trends to understand how often people search for certain terms or topics. Google Trends lets you customize search data by region, time period, category, and type of search. You can ...

Have you ever read something in the press or on a media site and then searched Google to learn more about the topic? Almost everyone has. After reading an article about a product or idea, many people ...