A quick look at why some compounds turn red when you plug an Out Name into their In Name port.
http://vimeo.com/29254321
Daisy-chaining Using the In Name and Out Name ports to connect references on Get Data and other nodes in sequence, like a daisy chain.
eX-SI 
I never paid much attention to this blog, it is pretty good. It would be nice to see short videos on how simple add nodes work etc. I was too tired in math class to listen to remember, and now I’m paying the price, well more like I was naive.