Dem's some dewberries!!

I recently read something online that said all wild blackberries are dewberries.  I had never heard of such a thing!  (I also learned there is something called a black raspberry!)  After looking at the pictures and reading the description of dewberries, I have decided that what I actually have here in North Georgia is blackberry.  The leaves here look different than those of dewberries pictured at Wikipedia, and the plants are upright and high-arching.