Palaces made for cloud is a metaphor describing
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In plays, poems, songs, and novels, clouds stand in for ... But of course, when we talk about "the cloud," we are not talking about

Around 2010, casual Internet users were introduced to the idea that the digital world around them could be understood in terms of the “cloud.” As a metaphor, the cloud seems easy to grasp: our data is somewhere in the ether, floating, drifting and wireless, available wherever and whenever we need it.

Explanation:

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