It would be interesting to see a credit card company differentiate on this. Have an internal team which works through the various companies (presumably in orde

It would be interesting to see a credit card company differentiate on this. Have an internal team which works through the various companies (presumably in order of popularity) and does the leg work of figuring out how to subscribe. So the customer would be presented with: Go to these locations and upload this information. Or even: Enter your username and password and this information and our scripts will unsubscribe you.