Robin Hanson, on twins:
In a twin conspiracy, a pair of identical twins would pretend to be only one person. For example, in college each twin could specialize in, and then ace, half of the classes; their GPA would soar. They might together make partner in a law firm by handling a lot more work than other lawyers. They could cheat on their spouse and while offering that spouse a near-constant video of “their” activities. In fact, they could always have an alibi for anything they did