Google Search Book :Google Alerts service

If you are google fan then you must be using Gmail Free email services which provides 2.6 Gb of free space for storing your emails. Yes there is one more feature i would like to discuss here is
Google alert notification. It's really great feature provided by google , you can set for any search to be send to yourself as an alert. You can monitor any new news alert. Getting update on any company performance etc ....