You could buy
You can buy one of the following:
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	  Income of average personYearly income of average person (worldwide) for US$7,880 (R$16,810) from source
Buy all billionaires
You can buy each US-dollar billionaire one of the following items:
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	  Souvenir guides to the Natural History MuseumSouvenir guide to London's Natural History Museum for £4.50 (R$14.72)
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Shopping list
You can buy all of the following:
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	  1 Olympic swimming pool filled with tap waterOlympic swimming pool filled with tap water for £3,359 (R$10,990) from hardcoded
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	  1 Duck islandCost of a floating duck island, claimed as an expense by Conservative MP, Peter Viggers. for £1,645 (R$5,383) from wikipedia
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	  1 Acre of the MoonCost of an acre of the Sea of Tranquility, from the Lunar Registry for US$37.50 (R$80) from source