Two Different Surfing Paddling Techniques?

A lot of people ask me what type of stroke they should use when paddling on a surfboard.

I tell them there are two, not one, that we all use.  I suppose I should say, there are two that we all should use.

And the two surfing paddling stroke patterns we should use should also be used in certain scenarios.  This video outlines those two stroke patterns and when they should be used when you're out surfing...