Whats the point of the green jersey in the Tour de France, and how do riders actually get awarded this thing, is it just a matter of accumulating points at intermediate sprints and stage finishes or are there other factors at play, and whats the actual weight of the points system in determining the winner, is it based on a simple arithmetic progression or are there bonus points for certain stages or finishes, and how do the organizers actually keep track of all these points and ensure that the right rider is wearing the green jersey at the end of each stage, is it all just a manual process or is there some kind of automated system in place, and whats the historical context behind the green jersey, was it always awarded to the points leader or has the criteria changed over time, and how does it compare to other jerseys in the Tour de France, is it considered more prestigious than the polka dot jersey or the white jersey, and whats the actual prize for winning the green jersey, is it just a matter of bragging rights or is there a significant cash prize or sponsorship deal attached to it.