I can't think of very many first movers that really had an advantage. Maybe if you get a lot of essential patents. Or you get very lucky with timing and capture

I can't think of very many first movers that really had an advantage. Maybe if you get a lot of essential patents. Or you get very lucky with timing and capture a large market nobody noticed wasn't serviced. But so many of today's market leaders were late entrants. Sometimes many years late.