If you've ever had to change your credit card number across a ton of different accounts, you know it's a major hassle.

Productivity blogger Merlin Mann just went through the process. For next time, he's created a spreadsheet with every service in one column, and then the exact URL he needs to visit in the next.

He notes there is a positive benefit to losing one's credit card: you discover and are forced to come to terms with all the auto-renewing services you may have forgotten about.

Toward a hygienic credit card [43 Folders]