ALBAWABA - A woman called Sophie Downing, from Nottingham, bought a cup of coffee and became the richest person in the history of the world. The story of Downing, 29, started when she got a £10 ($13) coffee shop voucher for Christmas to find out that the balance on the gift card totalled over £63 quadrillion ($84.9 quadrillion). A woman gained a coffee voucher, and when she went to get ...