Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Apache Tomcat is an open-source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and WebSocket technologies.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
YUI is a JavaScript and CSS library with more than 30 unique components including low-level DOM utilities and high-level user-interface widgets.