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Sidecar is isolated though isn't it?

Like I know I can use my mouse on my computer to control the Mac screen on my iPad, but I didn't think I could move my mouse over to control iPad apps?

I honestly have not used that feature much so if it can do that... that makes me rethink the usefulness of this.

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You’re describing Universal Control. Macs have 2 separate features. Sidecar allows you to use an iPad as an additional display for a Mac. Universal control allows you to use one keyboard/mouse to control multiple Apple devices in proximity. If you use both together, you can use an iPad as a second display for a Mac and use that Mac’s keyboard and mouse just as with any other secondary display.

I am going to have to play with this tonight, while I know it won't be exactly the same it will give a good enough indication of what this workflow will be like.

That might sway whether or not I get this thing. Being able to more optimally work while away from my desk is worth... a lot.

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