Android Apple Apps & Software Card.io mobile payments app hands-on January 19, 2012 01:56 pm 0Comments Previous Next Previous Next There are 0 Comments. Add yours. Show speed reading tips and settings Shortcuts to mastering the comment thread. Use wisely. C - Next Comment X - Mark as Read R - Reply Z - Mark Read & Next Shift + C - Previous Shift + A - Mark All Read Comment Settings Live comment alert: Hide it! Comments for this post are closed.