http://www.nytimes.com/2013/10/12/b...?nl=todaysheadlines&emc=edit_th_20131012&_r=0 After starting to charge fees for checking baggage, airlines are finding new ways to make money from carry-ons. Overhead compartments, it turns out, are valuable real estate — and these days, they go to the highest bidders. Using an airline credit card? Come on down. Flying first class? Right this way. Paying an extra fee when you book? It’s your turn. Priority is increasingly given to those who pay.