An introduction to open card sorting and tree testing with a case study from Grace's kitchen/pantries. Sponsored by Optimal Workshop as part of #owroadshow in Los Angeles, hosted at Philosophie. This was presented on Thursday, June 15, 2017 by Chris Chandler and Grace Lau **Follow along with the digital card sort** Kitchen card sort: http://bit.ly/owla-sort Results from the kitchen card sort: http://bit.ly/owla-sort-results Note: The workshop focused on a manual card sort. Data was not saved back to the OptimalSort tool. **Tree test:** Kitchen tree test: http://bit.ly/owla-tree Results from Kitchen tree test: http://bit.ly/owla-tree-results Sitemap that was used for this tree test: http://bit.ly/owla-tree-mindmap