I started learning Go Lang recently, the hot new language from Google. Apart from reading through the documentation found on http://golang.org/ I also stumbled onto a screencast by Russ Cox which serves as an excellent introduction to the core concepts. I have watched it 5 times so far and each time come away with some new tidbit.
This video walks you through : “Three things that make Go fast, fun, and productive: interfaces, reflection, and concurrency. Builds a toy web crawler to demonstrate these.”