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"On Twitter, I follow the airlines I use most often as well as travel bloggers who share valuable information and money-saving tips, like @WomenTravelFest and @FrugalTravelGuy. I frequently fly from D.C. to Jacksonville, Florida, and I've learned that by booking my return for Monday morning instead of Sunday evening, I can cut the price of my ticket by 35 percent."

—Kimberly Miller, Washington, D.C.