How to Maximize Your Use of Travel Rewards While You're Working

CNN's John Defterios talks about how to maximize travel rewards while working. How did he get so many miles that he was able to fly his wife and mother-in-law back from Paris in business class? He used a two browser trick where he applied for two different city bank American Airlines cards at the same time. Do you follow other bloggers or do you just find out about them, because some of these loopholes will close very quickly.