Swe Win, who works as a translator and journalist in Myanmar, keeps most of his money — roughly $1,800 in Singaporean and U.S. Dollars — in a diary. He carries it in his backpack wherever he goes.

Rihanna’s amply teased, much-hyped video for the grit song of the summer, “Bitch Better Have My Money” debuted at midnight, coinciding with her crowning as the most successful singles artist in ...