Google Toolbar has a useful feature called AutoLink which detects the content from a page that follows some predefined patterns and adds links to pages that offer more information. AutoLink detects US addresses, UPS tracking numbers, International Standard Book Numbers (ISBN) and Vehicle Identification Numbers (VIN) and links to relevant pages from sites like Google Maps, Amazon or CarFax. Despite its name, AutoLink adds the links only after you click on the Google Toolbar button and also shows the links in a drop-down menu...

With my Google hat on, I got to interview Michael Marcus and Rui Ma, two recent graduates from a masters program at NYU. They joined me to discuss Gears on Rails, their open source framework that makes it easier than ever to take a Rails code-base offline.

There are many ways to add notes to Google Notebook: you can visit google.com/notebook or click on "My notebooks" from any Google search results page. To add excerpts from web pages, you need an extension: Google Toolbar 5 for IE or Google Notebook for Firefox. But what happens if you use a browser like Safari or if you aren't allowed to install add-ons?

Scour is a search tool that blends results from Google, Yahoo, and MSN together in one stream. You can hot-swap between the three, or break out any single result into another search. If you come across a bad result, or one you think should go above the others, you can also vote it up (or down) or leave a comment--something similar to what Wikia did with its hackable search engine...

Google has finally realized that it's a bad idea to automatically add to the list of Gmail contacts all the people you've sent an email. An updated version of Gmail's contact manager has a separate section for the people you've emailed: "suggested contacts"...