Internet Explorer is the most popular web browser because it is made by Microsoft and faster than others, with version 8.0. Firefox is the second most popular due to its speed and security, currently at version 3.5. Safari is Apple's browser, known for its speed, security, and resizable features, currently at version 4. Add-ons and plug-ins are programs that can be added to browsers to enhance them with personalization, speed improvements, or new functionality. Adobe Flash allows viewing downloadable programs from the internet offline. The first web browser was created by a British scientist for the World Wide Web.