This evening I was reading Seth Godin's book small is the new big and came across this entry around half way through. Not being entirely certain of my own spelling abilities, nor of my ability to decipher Web 2.0 nomenclature, I retreated to Google. After a little poking around I am pretty certain that yes, that is a typo, he didn't mean to spell it del.ico.us. It's an exquisite typo, though, one that provides fully plausible deniability in context. It's easy to imagine how it got past the editors.