Matz talks about Ruby 1.9 (Yarv)

Matz talks about new Ruby version. Ruby 1.9 beta was released on christmas day at 25 december 2007.
Matz presents about new ruby version at google conference. The new version was earlier known as Yet Another Ruby Virtual machine (YARV). The main feature of Ruby 1.9 is support for platform threads. The Tread class in earlier Ruby VM’s were green threads.