The Auto Trader panel of 10 people of consisted of a mix of developers and product people- there were five developers, 3 of which tech leads running a team of developers. Others included one retail and consumer director, a service background manager and program managers. The Auto Trader team wanted to see how the vendors worked with their teams. There was one Auto Trader developer with each team, with the others and and the product staff floating between them. The development rooms had whiteboards. They had 5 hours to build something.