The real question is that when Adobe does ADE to be ePub 3 compatible, will device makers update their older devices with this new ADE? Because if they don't, then it means that ePub 3 won't be able to get off the ground considering how many devices there are that would not be able to handle ePub 3. So if the older devices are able to handle an ePub 3 compatible ADE, then they should be updated or ePub 3 will maybe die a still birth or just take that much longer to get off the ground.
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