On: Card.io - fast and easy mobile credit card scanning

[timerickson]

To you, no.

Consumers have an irrational understanding that swiping a credit card is safe. Taking a picture of it is likely the sketchiest action a merchant could take, in the eyes of the average uneducated consumer.

[ericd → timerickson]

This cannot be overstated. Companies live or die based on the perceptions they create, technical details be damned.