An interesting corollary: you can use that credit card to donate to the SIAI and still receive the cash back, effectively making your donation 2% larger, or hacking your willpower in a similar way as that described by Bo102010, but this time by reducing the cost of your donation.
An interesting corollary: you can use that credit card to donate to the SIAI and still receive the cash back, effectively making your donation 2% larger, or hacking your willpower in a similar way as that described by Bo102010, but this time by reducing the cost of your donation.