The vacation rental market is booming, and it’s largely thanks to one site in particular: Airbnb. In just a few years, it’s transformed the way people travel, and in the process ballooned into a multi-billion dollar company. But it’s also a fragmented market. Several compelling Airbnb rivals have emerged, like Flipkey and Homeaway. It’s common to see the same property listed across different sites, with differing prices and availability. One site that aims to bring sense to this landscape is Holidu, a German startup that uses computer vision and artificial intelligence to find and compare properties across the web. Unlike…

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