On the usability of virtual pre-paid gift credit cards

Recently, I found myself in possession of a $20 “virtual” Visa gift card. ┬áTo make a long story short, I found the Wolfram Alpha iPhone app useful enough to spend $20 on it when the price dropped from $50, but then it later dropped to $2 and Mr. Wolfram decided to issue refunds to those … Continue reading On the usability of virtual pre-paid gift credit cards