Michael Gambino is an American actor who plays Martin Tillage on Castle. Michael Gambino at the Internet Movie Database.
World Wide Web definition: The World Wide Web is another way to describe the Internet, which is a network of computers which are connected and that share information and allow communication around the world. An example of the World Wide Web is the Internet.
Next, www. that stands for World Wide Web, is used to distinguish the content. This portion of the URL is not required, and many times can be left out. For example, typing  http://computerhope.com  would still get you to the Computer Hope web page.