Okay, you've heard me praise Magic Eraserson here before, but this time I'm saying it with pictures. Take a look at these photos from the house of a friend.
This was her kitchen floor before:
Though the black and white tile pattern is a real nightmare to keep clean, she's not in a position to replace it with a more HTCI-friendly pattern. Thus, I suggested we try sparkling things up with a Magic Eraserand some elbow grease instead.
This her kitchen floor after:
And that's why they call it a "magic" eraser!