human
What are the advantages and disadvantages of using the Internet to buy books?
assistant
Advantages: 
1. Convenient access to a wide selection of titles.
2. Ability to compare prices between different retailers.
3. Easily find reviews of products.Disadvantages:
1. Difficulty in determining the quality of a book before buying it.
2. Risk of being scammed by unscrupulous sellers.
3. Limited availability of certain titles.