More Secret Sauces John Battelle 18 years ago Google Ad Planner has its own secret sauce, Danny finds. And that is troubling, at least in some ways. Where’s the data coming from, asks Danny, and then TC. So far, no answers. That’s not going to stand. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email