[Michael Reach]

I've started working on the SVM part of the final. As I was browsing around online, I came across a piece of terminology that wasn't used in the lectures AFAIK, and I wondered what it meant.
The final asks, "The number of support vectors you get..."
But in various places I see descriptions of two types of support vectors: number of support vectors, and number of bounded support vectors. Does anyone know what is the difference between them, and which are the ones to count?