Facebook Is

Facebook is

A) a popular website where users may create a personal profile; add other users as friends; and exchange comments, photos, videos, and "likes" with them.
B) a website that enables users to send and receive "tweets," messages up to 280 characters long.
C) a business-oriented website that lets users post their professional profiles to connect to a network of businesspeople.
D) a video-sharing website in which users can upload, distribute, view, and comment on videos.
E) a virtual content-sharing social network that allows people to share images of their favorite things such as clothing, craft ideas, and recipes as well as enables them to categorize these images.