Some legal databases offer alerting services. Alerting services allow you to set up a profile detailing the subjects that interest you. The database will then alert you by e-mail each time new material is added which matches your interests.
RSS stands for Really Simple Syndication. You can sign up to RSS feeds anywhere you see the RSS logo 
. These are updates that either 'feed' into your email inbox or into a 'feed' reader. These are usually free to set up and offer one place to collect all feeds as well as freeing up your inbox.
This guide introduces the current awareness services of the legal databases on specific topics which we have subscribed in The Chinese University of Hong Kong Library:
