(Potentially relevant link)

Searchiong for 'mythical twins' gave normal results and then results for a suggested alternative search: Screenshot.

I've never seen that before on Google. If done well, it could be useful. Probably will be a small improvement, ast any rate. Probably more use for people without the good sense to refine their search themselves.

And, of course, I already had thought of Gemini. I want others. *refines search*