Medium of exchange was observed as early as Oresme, Copernicus and then in 1558 by Sir Thomas Gresham, that bad money drives out good in any marketplace (Gresham's Law states "Where legal tender laws exist, bad money drives out good money"). A more precise definition is this: "A currency that is artificially overvalued by law will drive out of circulation a currency that is artificially undervalued by that law." Gresham's law is therefore a specific application of the general law of price controls. A common explanation is that people will always keep the less adultered, less clipped, sweated, less filed, less trimmed coin,
Good Girl Gone Bad: Reloaded one being Mariah Carey's "Touch My Body" (2008) which opened with 286,000 copies sold and the second the singer's own "Umbrella" which sold 277,000 copies for the week dated June 9, 2007. "Disturbia" became Rihanna's fourth number-one single on the Hot 100, which tied her at the time with Beyoncé Knowles and Mariah Carey for the most number-one hits in the decade of 2000–2010. Good Girl Gone Bad: Reloaded Good Girl Gone Bad: Reloaded is the reissue of Barbadian singer Rihanna's third studio album "Good Girl Gone Bad" (2007). It was first released digitally in selected countries on June 2,