Truth be told, the free Prime trial isn't that great because you can get that offer anytime. As for Audible, Amazon typically offers 30-day trails, not the extended 60-day free trials available via Verizon's offer.
Amazon is also offering 10 free songs you can add to your Amazon music library, and 10 free apps in the Amazon App Store--if you have an Amazon account, of course.
Overall, it sounds like you get a few niceties plus a whole lot of promotion from companies trying to convert you into a paying customer. It's not clear if these promotions will automatically show up in their respective apps and services or if you have to visit Verizon's Connection Day page to claim them.
Nevertheless, as long as you set some reminders in your calendar or on Google Now, you can enjoy a few worry-free freebies on your plane ride home.
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