The following Google products (and services) can be used for GIS-related activities: Google Maps Google Earth (including Google Earth API) Google Fusion Tables
Almost everything! If you go to Google.com and look at the top bar, you can see what they have to offer. If you click more, you get more things. Clicking Even More gets you to a whole page describing...
There are a lot of products. Here is a good one : the calendar. A very complete calendar on Internet, very usefull when you travel a lot around the world.
Yes, iGoogle is a free product from Google. It is also compatible, reliable and easy to use with Google. iGoogle is a customizable page for you to put your calendar, tasks and any other google...