Goodreads
Goodreads is a social network for readers in the world. Goodreads is a place for casual readers and bona-fide bookworms alike, Goodreads members recommend books, compare what they are reading, keep track of what they've read and would like to read, form book clubs and much more.
Google Bookmarks
Google Bookmarks is a free online bookmark storage service. It allows you to bookmark favorite websites and add labels or tags, and also notes. The bookmarks are searchable, and searches are performed on the full text of the bookmarked pages, not just the labels and notes.
Google Buzz
Google Buzz is a social networking and messaging tool from Google. You can share updates, photos, videos and more with your friends. Share publicly or privately .Publish your ideas to the world or just to your closest friends. Start conversations about the things you find interesting. Comments get sent right to your inbox so it's easy to keep the conversation going. See thumbnails with each post and browse full-screen photos from popular sites.
Google Reader
Google Reader is a Customizable web-based aggregator for feeds from news sites, blogs, and other sites with a sharing facility. Google Reader constantly checks your favorite news sites and blogs for new content. Whether a site updates daily or monthly, you can be sure that you won't miss a thing. Google Reader shows you all of your favorite sites in one convenient place. It's like a personalized inbox for the entire web. You can share your favorite items with your friends, simply by sending them to relevant links. You can access your Google Reader account from any computer with online access.
Getting Started with Google Reader
Welcome to Google Reader!
To be continued