Oh funny, thanks for that. I was experimenting with keyword recommendation the other day, and I told a friend that the keywords which appear in 19% of the resul

Oh funny, thanks for that. I was experimenting with keyword recommendation the other day, and I told a friend that the keywords which appear in 19% of the results for a query seem like the most useful and relevant to the original query. He said something like, “Oh, 80% comes from 20%.” I didn’t get it, but he must have been referencing this.