One Card to Rule Them All

[totoro]

Only good if you have multiple credit cards but you can basically carry one card and it will charge the card that gets the best rewards.

The Wallaby Card (https://walla.by/the-wallaby-card?ref=ecpeby)

Thoughts?

[rezznor]

http://www.youtube.com/watch?v=w9Sx34swEG0#t=0

http://www.engadget.com/2013/11/14/coin-credit-card/