This document discusses test automation at eBay using open source tools. It provides facts about eBay as a company and platform. The key points are: 1. eBay uses test automation with Selenium and open source tools to get early feedback from regression tests and reinvest time saved into more manual testing. 2. Their automation history started with homegrown solutions and moved to Selenium IDE, RC and now Selenium 2 along with a Selenium Grid for parallel testing across environments. 3. Using open source allows for faster innovation, independence, engagement with the community, and easier hiring. The potential risks include lack of support and competitors using the same tools. 4. Their test automation framework uses page objects, flow objects and a