I've always pictured a steep learning curve as this - http://imgur.com/8Wfih. One doesn't learn much at first until the "aha" moment. So I think the metaphor is still correct.
I've always pictured a steep learning curve as this - http://imgur.com/8Wfih. One doesn't learn much at first until the "aha" moment. So I think the metaphor is still correct.