Thx. I can't reveal too much here, but I do a lot more in the reranking area such that the top 20 will look very different for many queries when compared. I thi

Thx. I can't reveal too much here, but I do a lot more in the reranking area such that the top 20 will look very different for many queries when compared. I think these improvements go a long way to improving search UX, but ranking is subtle and so doesn't get noticed much (except when failing miserably).