How Delta mines data to build passenger profiles and better target customers

Skift Take
If you fly on an airplane or surf the Web, you are bait for marketing and advertising purposes.
Want to know how airlines today are different than five years ago? Lots of new fees, tighter capacity, and one under-the-radar trend: They are collecting lots of data about individual passengers and they are using the information to fine-tune their marketing toward individual travelers and groups of them.
That trend was brought home when a number of websites, including Loyalty Lobby, the Beat and FlyerTalk, detailed how Delta Air Lines is collecting detailed personal data about SkyMiles members to profile and market to them.
It appears that Delta is gathering detailed infor