As a developer, I would love to see what the API looks like and some sample scripting:

  humans = init({ count:100, gender:male });

  task_navigate   = task({ type:navigate, uri:{latitude:123, longitude:456} });
  task_photograph = task({ type:photograph });

  for (human in humans) {
    human->task(task_navigate);
    human->task(task_photograph);
  }

I'd like to see what the actual API ends up looking like but then again I am not sure if you intend this to be fully scripted or not. Building a user-friendly API and then translating the instruction into user-friendly instructions for the humans who execute will be the primary challenge IMO.