Staring at that cup of coffee you forgot about which is now undrinkably cool? This is the 21st century, friends — you don’t have to drink cold coffee. All you need is to starting using a smart mug.

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There's nothing worse than forgetting about your cup of coffee, then coming back an hour later to a lukewarm drink. Sure, you could nuke it in the microwave, but it just doesn't taste the same after.

Ember Smart Mug review: Is this high-tech mug worth it? It’s happened to all of us at one time or another: We make our morning cup of coffee, set it down after a few sips and find ourselves so busy ...