Absolutely nothing! Human Headers is intended to be in the same spirit as putting "are you reading this? we're hiring!" in an HTML comment in your source, or th

Absolutely nothing! Human Headers is intended to be in the same spirit as putting "are you reading this? we're hiring!" in an HTML comment in your source, or the X-Bender header that used to be part of Slashdot responses. It's a fun little thing.