Even though the real reason you want the newest phone is that it's incredibly cool looking, you might pretend that what interests you is its convenience, or how easy and useful it will be.
The noun convenience is a quality of ease or accessibility. Just think of a convenience store, which is arranged to be easy to get in and out of, and sells things you might need to grab on your way home. Some things are referred to as a convenience if the whole reason for their existence is to make life easier in some way, like electricity, indoor plumbing, and microwaveable meals.
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