Google Alerts are emails automatically sent to you when there are new Google results for your search terms.
Go to the Google Alerts home page:
You can create and confirm your Alert in one visit on your "Manage Your Alerts" page. To access this page, you'll need a Google Account. To create your account, click the link at the bottom of the Google Alerts home page or visit the Google Accounts home page directly.
Google Alerts Getting Started Guide
Accesss this guide to help you get the most out of Google Alerts.
You did a very effective search but can’t remember it, or maybe you found a great site but can’t find it now. If you were logged into your Google account when you performed the searched or visited you can retrieve it later. Activity is listed chronologically, or you can use the calendar to go back as far as you’ve had your account. Go to Google Web History.
Another way to use this feature is to re-run a search to see if there are any new resources available. Just click on a previous search to re-run it. You can narrow down to latest or not yet visited using Google's search tools that appear after a search.
Advanced sounds harder, but really what you get is more options.
If you get millions of hits when searching with Google, consider trying Advanced Search. Advanced Search gives you options that allow you to search more precisely, which means you won’t have to look through as many hits to find what you want.
These are just some of the options that can save you time: