Brands are constantly seeking creative methods to make their pricey campaigns pay off in more ways than one. But computer giant HP hit the jackpot by turning its Vine campaign for the convertible laptop into a first-of-its-kind national TV…

We all call it "multitasking," but psychologists insist that's a misnomer. Since we can't actually focus on more than one thing at a time, the skill is really "" the ability to alternate smoothly and easily between two sets of mental tasks…