The biggest rivalries in business
Bostonians are intimately familiar with the heated rivalries involving their sports teams - Celtics-Lakers, Yankees-Red Sox, and Bruins-Canadiens all have long, colorful histories behind them.
But a good rivalry is not confined to the world of sports. There are corporate titans going at it in the world of business, and these battles get just as nasty as they do in sports.
Here is a look at some of the biggest rivalries in business, including Amazon recently stepping up its computer war with Apple.