It’s mostly about apps for your phone that help you track and keep track of your flights; he includes a great story about knowing his flight was delayed way before the gate attendants knew it.
He also reveals one website which analyzes how cramped your seat will be compared to other planes(!) And he discloses which airline recycles their beverage containers, a subject near and dear to my heart. What a bummer it’s an airline I rarely fly because they are based on the East Coast (Delta).
None of this really applies to flights to Belize, but it is an interesting read for those with travel on their minds!