It’s not always easy to keep track of new travel startups.

Three days a week, we alert readers to new startups in the travel industry that have set up profiles on AngelList, the platform for early startup investing. These startups may have just launched a product, or they may merely be an idea in the head of an entrepreneur, but they are worth looking at to better understand where the activity is in the travel sector.

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Photo Credit: MyStay is a mobile app that helps hotel staff and guests communicate. MyStay