Competitive advertising has been an effective strategy for many brands., particularly so when consumers see two equals or a ‘worthy competitor’ take on a category giant. Some of the examples and legendary campaigns include rivalries between Coke & Pepsi, The Hindu and TOI in Chennai, iPhone vs Samsung (fueling the flame wars) and Mac vs PC. A few ad campaigns become so popular that they are spoofed by brands in other categories. Apple’s iconic ad,…