Credit all photos: Google
A keyboard can take up the lower half of the touch screen.
Using Nexus One's maps, you can get driving directions and location with GPS.
You can also switch to satellite view.
Nexus One connects to YouTube.
You can also send an e-mail through gmail.
Nexus One lets you download Google Apps.
Do a Google search on Nexus One's browser.
Nexus One even makes phone calls.
Take photos and store them in Nexus One. It's camera is 5 megapixels and video can be captured at 720x480 and 20 frames per second or higher depending on lighting conditions.
Send a voice mail.