There are two types of people in the world:

• those who don't recurse; and
• those who say, "There are two types of people in the world: ...".

(inspired by a colleague's briefing on types of people last week, and no doubt far from original; cf. TwoGreatSecrets (2001-11-09), LookingUpGullible (2005-02-27), AddictiveTrope (2006-05-25), ...) - ^z - 2013-02-28