CAVAL Research Project, Conferences & Presentations Thanks PLA! March 29, 2010 Michael Caval 2009, originally uploaded by Lester Public Library. I had a great time in Portland for PLA. It was nice to catch up with folks I rarely see and to spend time in a great Northwest city. I also enjoyed talking about my research project. The slides are here: PLA Learning 2.0 Presentation View more presentations from Michael Stephens. Tweet Share this TTW post: on Twitter on Facebook on Google+ Related posts:In South CarolinaSee You in Phoenix!ALISE Presentation Slides: "Beyond the Walled Garden"