Which of the following Web sites provides a virtual community where people with a shared interest can communicate and also can post their thoughts, ideas, and anything else and share it with their friends?

A.
E-commerce site

B.
Blog

C.
Social networking site

D.
Internet forum

Explanation:
Answer option C is correct.
Social networking web sites provide a virtual community in which people with a shared interest may communicate. These sites provide users the ability to create their profile page. The users can post their thoughts, ideas, and anything else and can share it with their friends. Some popular social networking sites are MySpace, Twitter, and Facebook.

Answer option A is incorrect. Electronic commerce, commonly known as e-commerce or eCommerce, or e-business consists of the buying and selling of products or services over electronic systems such as the Internet and other computer networks. The amount of trade conducted electronically has grown extraordinarily with widespread Internet usage. E-commerce sites can be used by users to browse various products and to make purchases. Amazon.com is an example of an e-commerce site.

Answer options D and B are incorrect. These are not valid options.