There are various differences in the different editions and the most common one is the content of the textbook.
Explanation:
Changes in content are upgraded with the new research in the area of the specific field. Secondly, additional features such as academic studies, expert perspectives, and future research areas are explored in the new edition. Moreover, questions about the analysis and sets of problems are frequently updated and so does the price and design of the new edition. It helps the students to get the latest knowledge of the specific subject.
It's one of the most tried and trusted forms of advertisements. It is a scenario in which a person testifies to the possible effects of the product or services. Especially if the testifier is well known, hence the use of celebreties as in this case, an actor.