Opera is one of the older browsers on the web, and didn't always used to be totally free. In it's early day's it was supported by ads which would run in the header of the program. Well, times have changed, and Opera has smartened up to the fact that a browser has to be free in order for it to be popular. Nobody is going to pay, or want to have extra ads thrown in their face for using the most basic of tools to access the web. They have gone even further than imagined with their latest release, which essentially turns your browser into a social networking hub. This enables you to share files with your friends easily, chat, and become your own server that you can connect to from anywhere in the world. It seems like a pretty cool idea, but time will tell how effective it is for their browser.