If she's currently employed at another nearby hotel, check into the hotel where she now works for a night, run your fingers along the top of the picture frames checking for dust, open every drawer and cupboard in every piece of furniture in the room, and spend several minutes crawling around in the floor in your room looking under things.

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The site works by sucking data out of social messaging service Twitter, and Foursquare, which relies on users checking into to various locations.

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