There is a new kind of "weight watchers" launching in the sky.
 
Samoa Air has introduced new "pay-what-you-weigh" airfares, charging passengers based on how much they weigh rather than the seat.
 
The Pacific Island carrier boasts that it is the world's first airline to do so, and that their scheme if the fairest way to fly.
 
Al Jazeera's Mereana Hond explains. 

Source: Al Jazeera