What is USDollar.com?

USDollar.com is a website designed to inform users about the US Dollar, how it originated, provide live rates, historical graphs and a currency converter.
The United States dollar is the unit of currency of the United States It is normally abbreviated as the dollar sign, $, or as USD or US$ to distinguish it from other dollar-denominated currencies and from others that use the $ symbol.
The U.S. dollar is the currency most used in international transactions with several countries even using it as their official currency.