How many people do you need to recruit ten thousand learners? The preliminary questions are: is there an established network of learners? This requires that learners are connected to each other, and not simply end nodes in a pyramidal structure. And, do you have access to the network? These questions may be answered empirically. Publish your course. Build it and they may come – through the network. This is the value proposition of the MOOC aggregators: sign up for one course and you become part of its network. Expect to receive frequent communication as the aggregator’s value to the institutions who feed it content depends on its ability to convert one course enrollment into a lifelong pattern of registrations. What if they do not come? Much seems to depend on the level of computer literacy. If your target learners are computer software engineers, offer a relevant, quality course and they are likely …