You’ve seen AI achieve incredible things like defeat world champions at Go, describe photos for the visually impaired and operate an elevator. But now, a startup in London has finally figured a genuinely useful application: brewing quality beers. IntelligentX offers four basic beers, including a classic British golden ale, a British bitter kissed with grapefruit, a hoppy American pale ale and a smokey marmite brew. Once you’ve tasted them, you can chat with the company’s Messenger bot to share your feedback, which its IBM Watson-based AI uses to improve on its recipes. That means that each batch of beer will…

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