Google is a pure search engine! (Advanced search). Google's Zeitgeist shows search patterns, trends, and surprises.
Google Wave: Communicate and collaborate in real time.
Google Maps: dynamic, interactive maps that are draggable — no clicking and waiting for graphics to reload each time you want to view the adjacent parts of a map. Want to be able to type in the name of a region or neighborhood and see any part of it as easily as with a regular street map? Now you can!
Google Earth: combines satellite imagery, maps and the power of Google Search to put the world's geographic information at your fingertips.
Google Voice gives you one phone number for all your phones, voicemail as easy as email, and many calling features for free.
Use Google Notebook to keep notes between multiple computers.
With Google Calendar, you can see your friends' and family's schedules right next to your own; quickly add events mentioned in Gmail conversations or saved in other calendar applications; and add other interesting events that you find online.