Rúnar Bjarnason talks about the ideas behind and features in the popular scalaz library, programming concepts like (bi-directional) lenses, Scala Macros, and much more.
Miles Sabin explains dependent typing in Scala, the Shapeless project that demonstrates these concepts, static typing improvements in Scala and Scala Macros.
Lance Walton discusses Scala in the enterprise, educating developers in functional programming and whether Scala's binary compatibility issues between releases are a problem, and much more.
Dick Wall explores the state and future of Java, his reasons for switching to programming in Scala, the SubCut Dependency Injection library for Scala, Scala Compiler Plugins and much more.
Viktor Klang talks about the features of Akka 2.x and future releases, Akka's approach to fault tolerance, the effort to unify Futures in Scala, and the state of functional programming.