SEO? With something like that you could programattically find semantic locations with lower coverage and then sell the knowledge that you could possibly attack

SEO? With something like that you could programattically find semantic locations with lower coverage and then sell the knowledge that you could possibly attack that keyword. For instance, I'd love to see a chart which plotted frequency of use in an English corpus against some hypothetical Google-coverage variable. Anything that's a strong outlier from something like an exponential curve could be a good target.