Delta is adding free in-flight messaging — with a catch

Delta Air Lines announced today that it will be offering free access to in-flight internet for customers to access iMessage, WhatsApp, and Facebook Messenger on any flight with Gogo Wi-Fi starting October 1st, via 9to5Mac.There is a catch, though: when the company says “messaging,” they mean “text messaging” — so no pictures, videos, GIFs, or audio messages allowed.Still, considering Delta used to price in-flight messaging starting at $2.95 (prices varied depending