links for 2008-10-22

The ARTag libraries are stuck in an intellectual property quagmire of fail. Which is something I might have wanted to know before, you know, buying the book on it. That being said, if you _have_ the PragProg book on Augmented Reality, you can get the ARTag libraries at this link.

MacRuby is a runtime for Ruby written in Cocoa, so the floats and integers and the like are native Cocoa objects. Nifty.