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I'll bet if I posted in 2011 that they were going to come out with an iPad with 2048 x 1536 resolution soon, you would have all told me to seek psychiatric attention. That was more pixels than any Mac screen had at the time.

Or if I said they were going to come out with a 5K iMac when few 4K monitors even existed, you would have all likewise laughed at me.

We will see. But I predict it happens before 2020. Either in an iMac or an external display. With 8K monitors already in the wild, they have no choice.
 
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