very deep of you Jarkko. That's some heavy thinking for a Friday afternoon (as it is here in Australia). My brain hurts now...

that's a good question. After awhile it seems like every idea's been done

I think the originality comes in the execution of the post. When I read your posts I don't ever feel like it's something I've read before

I agree the execution is important. It's often the angle you take that can allow for some originality.