The media mogul has sparked an intense debate about ending free access to online news content; many observers remain sceptical that such a plan will work.

But when users shows no sign of ending their phone calls or pulling themselves away from what they're doing, leave a note on their desk asking them to call you when they are free - and walk out.

That would use the power of electronic media to solve its own riddle, by ending the myth that news content is provided free.