Google Reader allows users to subscribe to websites and view updates in one place. It organizes content by keeping track of what has been read and unread, and allows users to share articles with friends or keep them in a starred section. Google Reader is useful for students and teachers to communicate, share documents, and access research articles. It can be accessed from any computer by signing into an account, and also on mobile devices. Setting up an account is easy and free to use. Google Reader provides a helpful way to organize content from various websites and blogs for academic or personal use.