Who doesn't love a creative way to get back at your ex? It almost comes with the territory of a bad breakup these days. If you've wronged someone, you better prepare yourself for some petty revenge. Look, I don't make the rules, but that's the way the cookie crumbles now. We have seen countless methods of that kind of revenge here at FAIL Blog from prank calling to cutting off your ex's power. All of these valid, but what's special about this case of petty revenge is that on first glance, it di…