There was a timely documentary on ITV2 this week for any public figures who might be looking for fresh revenue streams in the near future.
I mean, I'm sure Olivia Attwood, 31, didn't have the Johnsons in mind when she made Getting Filthy Rich, her eye-opening look at the potentially lucrative world of personalised online content provision.
However, if you want to keep yourself in the luxury fixtures and fittings to which you've become accustomed, then I guess them's the breaks.
