You could buy
You can buy one of the following:
Buy all billionaires
You can buy each US-dollar billionaire one of the following items:
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Carl Sagan's Cosmos DVDs
Inspirational and wide-appeal science series. Thirteen episodes, each one hour long. for £11.71 from source -
Tours of the UK Parliament
Guided tour of the Houses of Parliament, London for £11.50
Shopping list
You can buy all of the following: