"Yes, if I am getting less than 100% of the seat I paid for, the person taking my space should have to make up the difference, " a CNN.com commenter wrote.

CNN: Pay-as-you-weigh airfares the 'next step'

My driving to buy the bread for lunch probably has less value and so perhaps I should walk rather than driving with the associated emissions.

FORBES: Wind Power's Just Too Expensive To Actually Use

Mr. JORDAN: Actually, I think that the numbers should be less than 300.

NPR: Criticism Rises for New Orleans DA