personalized homepage - http://www.google.com/ig

google talk gadget (chat) - http://www.google.com/talk

google maps - http://maps.google.com

googleguide (reference) - http://www.googleguide.com/advanced_operators_reference.html

google labs - http://labs.google.com

product search - http://froogle.google.com/froogle

Google Apps (computer based)

google talk client (computer to computer) - http://www.google.com/talk

google earth - http://earth.google.com

picasa2 - http://picasa.google.com