“Will this new model sell to a thousand customers or a billion? You can't tell in advance.” Very often you can know if it has a chance to be in the thousands o

“Will this new model sell to a thousand customers or a billion? You can't tell in advance.” Very often you can know if it has a chance to be in the thousands or billions just by looking at the market size. Or you can estimate a possible size of installed base by looking at how many companies may be using your stuff.