We have white ceramic tile that runs from the front door right through to the back of the house where the kitchen is located. Over the years, if you have ceramic tile in the kitchen - and 'oopsy-daisy syndrome' - you're going to drop a thing or two (or more than a dozen!) and subsequently chip your tile where it will gather dirt and look downright ugly.
We had already done some damage to the floor, but the last straw came after we had our kitchen renovated by a contractor. As careful as he tried to be, when the reno was all said and done, we came home to a floor that looked like it had been pocked by asteroids! We couldn't afford to rip out and replace so much tile, so I had to do something to fix it!
My first instinct was to try to cover it over with a runner, but as you can see below all the damage was outside of the perimeter of where the runner would cover the floor: