Worried about every little ding on your rental car? Do you always go into "anonymous" mode on your web browser before booking airline tickets?

If you do, then you probably have AI anxiety.

Travel companies are quietly deploying artificial intelligence systems, creating an invisible web of automated billing that can cost you hundreds or thousands of dollars — often without your knowledge or consent. From Hertz's controversial AI vehicle scanners to hotel vapor detectors that fine guests when their hairdryers overheat, to airline pricing algorithms that jack up fares based on your browsing history, these systems operate in the shadows while your wallet takes a hit.

"Technology can make travelers feel powerless," says Raymond Yorke, a spokesman for Redpoint Travel Protection. "It's happeni

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