Micropayments (with one-off tips or payments along with the usual subscriptions) solves this, because on top of that idea can be built ways for citizens to pick

Micropayments (with one-off tips or payments along with the usual subscriptions) solves this, because on top of that idea can be built ways for citizens to pick up and report on things that interest them, and if they do a good job, they can make a living at it.