Winning comes by knowing the customer better, executing better, and continuing to work on the problem after sane people have cashed out. If a competitor is going to scare you, you shouldn’t have started a business in the first place. Every big market or successful business will attract competitors anyway. Always assume competition.
Babak Nivi is a co-founder of AngelList and Venture Hacks. Previously, he was an entrepreneur-in-residence at Bessemer Venture Partners and Atlas Venture. He has worked on startups including Songbird, Grockit, and Kovio. He went to school at MIT where received 2 patents and published in Science.