Stratos' all-in-one payment card should work anywhere in the US
 

Many "universal" payment cards... well, aren't. They either don't work everywhere or only hold a limited number of cards, which leaves you out of luck when you're trying to add one more loyalty program. Stratos thinks it has this problem licked, thou...

http://www.engadget.com/2015/03/03/s...=rss_truncated