Not sure what you mean. I'm not posting this as an "argument with myself" as you put it. The poster above said that Yahoo wasn't an interesting technical chal

Not sure what you mean. I'm not posting this as an "argument with myself" as you put it. The poster above said that Yahoo wasn't an interesting technical challenge, just a useful approach to a common problem. Then I just acknowledged that. The "argument" is either based on a misunderstading of the 2 posts or a projection of your own self-debating thinking process.