The light is powered by a simple weighted bag, be it sand, rock, or earth, or anything weighing approximately 20 pounds.

FORBES: A $5 Lamp Can Change The World - GravityLight

Along with more cars and light trucks being created, the weighted average of pounds of aluminum used per car is growing, with 332 pounds used in 2010.

FORBES: Aluminum Usage In Cars To Grow -- Davenport & Co

People prefer the convenience of light paper dollar bills to having their pockets and purses weighted down with clunky dollar slugs.

FORBES: NO PEEPING WITHOUT PERMISSION

Where Janow is heavy, seemingly weighted down by its history, Lipica feels light, like the leaping horses that bear its name.

ECONOMIST: Horses with wings