" They are very intelligent,” she agreed, with a glance toward the window that made it somewhat ambiguous. “Anyway, that’s how they—pigs—got domesticated. We have genetic data on many domesticated breeds, of course. Getting data on the Eurasian wild boar is harder, but we have plenty of that too. That’s the source material. Where it gets fun is seeing all the combinations that emerge among the several million wild pigs running around Texas. "

― Neal Stephenson , Termination Shock