Billable hours have long been the professional services standard by which architects, engineers, lawyers and accountants all get paid. But What if that effort wasn’t from human toil at all? Artificial Intelligence is already chipping away at the venerable billable hours business model, completing in just minutes or seconds tasks that would take humans hours. As these tools grow more efficient and accurate, many firms are having to reevaluate how they allocate their resources, and project delivery practices may have to evolve as well.