Braintree is great for bringing this issue to light. I've personally been hurt by the lack of portability and have seen it affect several other companies. Here

Braintree is great for bringing this issue to light. I've personally been hurt by the lack of portability and have seen it affect several other companies. Here is Recurly's response: http://blog.recurly.com/2010/05/credit-card-portability/ http://blog.recurly.com/2010/05/credit-card-portability/