The phrase "it depends" was invented 130 year ago by a small group of drunk lawyers from London and New York for the sole purpose of annoying first-year law students, nonlawyers, and people from civil law jurisdictions. Like all things annoying, "it depends" is enjoying a surge in popularity as tensions spike in the Argentine debt saga."It depends" is a magically useful phrase because it can cover up ignorance, describe uncertainty, or assign probabilities in a risky situation.