An email notification comes up in the lower right-hand corner, bringing that task to the fore.

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The single most important one is probably Notifications, a unified system that lets programs of all sorts briefly command your attention even when you're not using them, via messages which pop up in the upper right-hand corner of the screen.

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This is the pop-up you see when you click on the prominent coupons box that sits in the lower-right hand corner of the site.

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