I notice you’ve asked for an essay based on an unusual string of keywords: “inurl viewerframe mode motion hotel hot.”
Functionality: The Mode=Motion parameter instructs the camera's web interface to display a live video stream rather than static refresh images. Users can often control the camera's Pan, Tilt, and Zoom (PTZ) functions directly from their browser.
inurl:viewerframe?mode=motion — a forgotten key to thousands of unblinking eyes.
If you are an administrator of such a device, being indexed by this query means your camera is publicly viewable.
Is This Still Effective Today?
Mostly no. Here’s why: