Library Thing
  ...is an online service to help people catalog their books easily. You can access your catalog from anywhere—even on your mobile phone. Because everyone catalogs together, LibraryThing also connects people with the same books, comes up with suggestions for what to read next, and so forth.
   
  Mendeley
  ...is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research.
   
  Gigapan
  ...are gigapixel panoramas, digital images with billions of pixels. They are huge panoramas with fascinating detail, all captured in the context of a single brilliant photo. Phenomenally large, yet remarkably crisp and vivid, gigapans are available to be explored.
   
  Evernote
  Inspiration strikes anywhere. Evernote lets you capture, nurture, and share your ideas across any device.