If you go to your favorite diner and the server offers to get you your regular, you've just been the happy target of one-to-one marketing. Today, one-to-one marketing is becoming the norm in ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Besides my title, consider these kindred expressions: “That’s the pot calling the kettle black”; “I know you are, but what am I?”; “Look who’s talking!” or You should talk!”—or even, by extension, “It ...