The situation: you key in to your hotel room after a stressful business meeting. All you want is an immediate glass of wine to drink while watching the evening news.
The problem: you don’t want to open the full bottle of ludicrously overpriced plonk in the minibar. Room service will take 45 minutes to bring you a Saran-wrapped glass filled with Champagne that’s too warm.
A growing number of hotels have found a solution to this widespread dilemma: the Plum machine. About the size of a large espresso machine, the latest in-room luxury preserves two opened bottles of wine for weeks at

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