This document discusses the cola wars between Coca-Cola and Pepsi and analyzes the major participants in the concentrate and bottling industries using Porter's Five Forces model. It identifies the key players as concentrate producers, bottlers, retailers, and suppliers. It then analyzes the industries using the five forces of supplier power, threat of entry, industry rivalry, substitute competition, and buyer power. Finally, it compares the economics and attractiveness of concentrate producers versus bottlers and discusses challenges facing the cola industry's repositioning.