Have exactly the same problem as jessicaSL. But I see that here I can wait for support answer really long time.
When I scan the card sometimes it nicely found the person on linkedin and load all the contacts. But sometimes not. I know the person profile and I would really love to link it. Is there any chance to do it manually? It would be so simple, instead of stupid and useless "add twitter account" there would be "add linkedin account" entry field. Or why it is not linking automatically?