I am scanning some old invoices and I came across one for a termite exterminator. I thought the drawing of the 4-legged bug on its back was sketched just for me before they faxed the invoice over, but I visited the website and saw that it's their logo. Wonderful!
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects