Dr Nic Williams talks about the state of the Rails community, the reasons for supporting JRuby and Rubinius implementations and for creating RailsInstaller.
Orion Henry explains what make Heroku's PaaS tick, in particular the new extensible Cedar stack as well as Doozer, the implementation of the Paxos algorithm created at Heroku.
Aaron Patterson talks about performance in Ruby and Rails, some of the challenges Rails and Rack pose for the Ruby GC, and much more.
Adam Blum discusses the future of smartphones: sensors, languages, and programming paradigms. Also: what's new in Rhodes 2.0, the cross platform smartphone Ruby app framework.
Heroku's Adam Wiggins talks about how Heroku, Add-Ons, Ruby, and how Heroku manages to work around Ruby's inefficiencies using Erlang and other languages.
Adam Blum discusses Rhodes, the framework for Ruby on smartphones, as well as the concepts of the RhoSync sync client and the hosted development and build service RhoHub.
Nick Sieger talks about the future of JRuby, Java Integration, and his work on JEE deployment tools for Ruby on Rails like Warbler.
Eric Hodel talks with InfoQ about his longstanding involvement with the Ruby community, focussing on his recent role as the maintainer of RubyGems, the de facto packaging system for Ruby libraries and applications. Eric also discusses his local Ruby user group Seattle.rb and his involvement with the Ruby Hit Squad, creators of the deployment automation tool Vlad the Deployer