To accomplish linking cards between boards, you'd need to use a service that offers this. Http://Unito.io is a great tool to get this going for you. It has a monthly service fee, however is free for your first 14 days to ensure that it meets your needs.
You’re invited to our first ever Trello User Groups Good news for current and aspiring Trello enthusiasts! We’re launching Trello User Groups so that you can network, share ideas, solve ...
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