Internet browsers are today common business or private daily tools. Often you need to have open many different web pages and go through them to see changed pages. For example, if you are interested to on-line news, you can open up to 20 different web pages with up to 20 different URLs (www.cnn.com, www.bbc.com, etc.) and you can see all of them together (if you have large screen).
Windows Server 2008,