- Continuations (Presentation, Software Design Seminar, also on Slideshare )
- Newspeak Dispatch on the JVM Using InvokeDynamic (Presentation, Metaprogramming Seminar, Konstantin Haase and Tim Felgentreff, also on Slideshare )
- Topaz Ruby presented at wroc_love.rb 2013 ( Slideshare, Lanyrd )