"These industries are a rich source of e - KYC(know your customer) data. Airlines alone served 2.8 billion passengers in 2011. Every person who checks into a ho

"These industries are a rich source of e - KYC(know your customer) data. Airlines alone served 2.8 billion passengers in 2011. Every person who checks into a hotel has to supply" I don't think this needs to be said but if my airline stats selling where I go to advertisers I'm not going to be using that airline anymore. It's bad enough they are selling it to governments.