Haxe is a relatively newcomer in the field of programming languages, but it has already developed a following and a large user base. Haxe's claim to fame is as an open source alternative to the Flash compiler, but it can be used for a whole lot more.
In this presentation, Eddie Sullivan of Chicken Wing Software gives a quick introduction to the language and talks about what makes it interesting and useful, and what makes it worth learning. Accompanying video at http://devideas.com
Clipping is a handy way to collect important slides you want to go back to later.