There are 2,1 million GBB to 1 million GB, so about double. IMO they are severely undervalued.
i think they're doomed to remain forever a curio unless there's an easier way of handling and buying and selling them. future users will not be crypto purists. they're looking for ease and utility. they'll go straight for other options that offer them that even if it's detrimental to the actual purpose.
Don't get it, if you have already aquired GB to your wallet it is an extremely simple procedure to buy some GBB.