Identify three strategies that firms can pursue at the early stages of a platform market that is characterized by two- sided network effects and that is likely to ultimately be served by 1 - 2 dominant platforms . Consider firms that have entered at the early / launch stage ( e.g., Paypal at the timeframe of the case competing to process payments for online purchases ) . The goal of these firms is to achieve dominance , or at least avoid having to exit the market . For each of these strategies explain why it will help the firm compete in the platform market