What difference can an ounce make on an airplane?
If you are United Airlines, with 4,500 flights a day, an ounce can add up. The Chicago-based carrier said it recently began printing its inflight magazine, Hemisphere, on lighter paper, cutting 1 ounce from each magazine. It now weighs 6.85 ounces.
In an internal message to employees, United said it has also switched to lighter paper on its seatback service guides.
Read more: http://www.latimes.com/business/la-fi-travel-briefcase-united-inflight-magazine-20180120-story.html