This is Optimizer, a weekly newsletter sent every Friday from Verge senior reviewer Victoria Song that dissects and discusses the latest phones, smartwatches, apps, and other gizmos that swear they're going to change your life. Optimizer arrives in our subscribers' inboxes at 10AM ET. Opt in for Optimizer here.

Imagine you're minding your business on a high-speed train hurtling at 186mph through northern Italy. You know you're close to the end of a two-hour trip from Firenze Santa Maria Novella to Venezia Santa Lucia station, but the timer you set on your smartwatch has 25 minutes left. All of a sudden, your family is in a tizzy. We're abou …

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