I can tell you from first-hand experience that they know what they're doing. They measure almost everything, nicely put together in dashboards with all the KPI'

I can tell you from first-hand experience that they know what they're doing. They measure almost everything, nicely put together in dashboards with all the KPI's for the appropriate managers. I think it's unlikely they used a suboptimal performance indicator to judge the site's new design, and would say the same thing about craigslist.