Say goodbye to neck pillows. We tried out Emirates' new headrest, and it's a game changer.

Business Insider's Taylor Rains tried out Emirates' new headrest. Taylor Rains/Business Insider Emirates unveiled a new headrest at the Farnborough Airshow. Business Insider's aviation reporters got to try it out on board an Airbus A350. It's refreshing to see an airline invest in perks for economy passengers. Business Insider's aviation reporters have flown economy with over two dozen airlines, but Emirates' Airbus A350 has the fanciest coach cabin we've seen by far. The Dubai-based airline…