Google Analytics is the enterprise-class web analytics solution that gives you rich insights into your website traffic and marketing effectiveness.

Google Webmaster Tools provides you with detailed reports about your pages' visibility on Google.

Refine your online advertising with Google Ad Planner, a free media planning tool that can help ... Showcase your site with the Ad Planner Publisher Center

With Google Insights for Search, you can compare search volume patterns across specific regions, categories, time frames and properties

To get started, we're working on a tool called Google PowerMeter which will show consumers their electricity consumption in near real-time in a secure iGoogle Gadget. We think PowerMeter will offer more useful and actionable feedback than complicated monthly paper bills that provide little detail on consumption or how to save energy.

Free mashup service map a list grabs addresses directly from a Google Spreadsheet in your account and plots them out over a customized Google Map.

The Digital Inspiration blog shows how to create your own web page or embeddable widget that shows live feeds from your choice of web sites.