What's the size of the market ? - assuming it's substantial I wouldn't overly worry about it. But it's important to think about your longer term competitive adv

What's the size of the market ? - assuming it's substantial I wouldn't overly worry about it. But it's important to think about your longer term competitive advantages and how you'll defend them. Your product will naturally evolve as a result of interactions with your customers, so to some extent your products will diverge naturally anyway.