Secret to Pay-Per-Click Success
If you can’t determine whether a keyword will convert within ten (10) clicks then you aren’t a professional internet marketer.
Also, the position has to be position 5 (mid page) and you need to stretch these 10 clicks across a week’s worth of data.

Note: no, this is not how you should do Internet marketing and assume that after 10 clicks you can turn anything off. This post is a mockery of someone who interviewed with a friend and utterly failed during the question of “how can you tell whether a keyword is performing”