Disconnect allows you to approve or disapprove web sites that want to get personal information from you before you surf their site. Remember, some of the information transmitted to sites like Facebook and Google do so WITHOUT your direct knowledge. Yes, somewhere you checked a box and gave them permission, but hidden away in the fine print was their right to get the information, and then sell it to someone else. Disconnect is a way to stop that.
Using Google's Calendar
Learn how to create a virtual tour for FREE with Google's Picasa.
Here is a link to the Google Web Crawling basics. It provides some excellent information for you to consider when you write blogs, post information and more.
Here's a cool way to help you dig through your e-mail and get to the important messages first.
Explore the audiences of specific websites with Trends for Websites with Google Trends.
Google Voice Blog shows how to make and receive calls in GMail.