TL;DR
Be mindful of reflections when taking a picture.
"Conclusion
Clear and simple: the reflected images in pictures might disclose information that you wouldn’t be willing to share, such as your location or other personal details."
"Conclusion
Clear and simple: the reflected images in pictures might disclose information that you wouldn’t be willing to share, such as your location or other personal details."
You're far more likely to inadvertently reveal personal information in the background of a photo of your actual hotel room that you are from looking out the window.