For example, the TV size is
smaller than some other airlines have in their First Class cabins (the Asiana A380 First Class one is more than twice as big) and I feel like the foot rest could be a little bigger, but that's not to say that it's small by any means.
Since you can control large amounts of a commodity with a relatively
small amount of money on margin, you can leverage your portfolio to take advantage of price swings in the commodity without having to actually take delivery of thousands of gallons of gasoline — something that is impractical for everyone
other than institutions (such as refiners,
airlines, transportation fleets, gasoline retailers, etc.).