In the future there are a lot of digital devices that will needs much more energy than we have had to make in this century. Where from we could get shortage of energy the whole world is asking itself. Some communities give us ideas to energy-efficient ways. But I ask you two banana question: "Is it realy what do we realy need?"

Which way could you prefer to solve this question?

Keep in mind please, this is not yes-no question.

Thank you for your future ideas and questions.