Actually I think it's both. You can make a good product that nobody ever hears of, it happens all the time. You can also make a sucky product that a lot of peop

Actually I think it's both. You can make a good product that nobody ever hears of, it happens all the time. You can also make a sucky product that a lot of people hear about and never come back to. Digg was the right product for the right time, but Kevin's celebrity among its target audience was a large part of why it came out on top. It got a quick lead in terms of users and the network effect exacerbated that over time.