Not only that you can share files — like documents, images, and PDFs — without having to email them as attachments. You can share the whole folder containing the documents.
With the help of supercomputers, N-Body Shop at University of Washington, created a simulation that shows the formation of a massive galaxy during the first 2 billion years of the universe.
Google now is sort of an intelligent personal assistant that depending on the data that Google gathers knows you pretty well. One of the coolest functions of Google now is the voice recognition functionality.