Now here's a headache I wouldn't mind having.

While the smallest child's abacus would be more than adequate for calculating my own meagre personal finances, Bill Gates says there is no computer capable of storing the financial history of his vast wealth.

More on this story here.

Apparently he is worth something in the region of £26.5bn. So even if you win the Euromillions jackpot tonight, you're still going to be some way behind the King of Geeks.