We generated many candidates beginning with facebook, so I don&#x27;t recall when that one was found--it just happened to be the one that looked the best. There&#x27;s a number of backup memorable domains that we kept the keypairs for just in case facebookcorewwwi gets compromised somehow.<p>I don&#x27;t remember how long we ran it for, but IIRC we had enough candidates to stop after a week or two. I&#x27;m guessing something like 100-200M cpu hours?