Credit Karma introduces free tax preparationDecember 2016 is the announcement date; the service was scheduled for the 2017 filing season. This does not establish Ribbit’s involvement in the product.TIBBIR UNIVERSE THIS IS TIBBIR How to get TIBBIR Ribbit in numbers Connected clues Account archive Bridge & contracts On-chain research Connections Community The story Reading room Network map Timeline Findings Source library Conversations People & companies Open questions Export & reuse