It's an arms race, so "we are improving search against spam" is a thing they will post when they fall behind sufficiently. This goes all the way back to the "Pa

It's an arms race, so "we are improving search against spam" is a thing they will post when they fall behind sufficiently. This goes all the way back to the "Panda" update ten years or so ago. It's been a thing for ages because they've got a Red Queen problem.