“…find a niche where the chicken-and-egg problem is more easily overcome and then find ways to hop from that niche to other niches and eventually to the broader market…history suggests that big companies who rely on a ‘carpet bombing strategy’ are often upended by focused startups who take over one niche at a time.”

There is always a strong temptation to share the product roadmap. It is rarely a good idea because of the flexibility you give up.