• "Once the pro­gram­ming went wonky on me and Tri­co re­fused to jump up to that first wa­ter­fall for a sol­id half hour. But I sus­pect that any soft­ware suf­fi­cient­ly ad­vanced to do what Tri­co does at some point be­comes in­dis­tin­guish­able from a cat." Tim Bray on The Last Guardian