More and more, these invisible hands are shaping your restaurant, hotel, event, and other purchases

These are the companies quietly inserting themselves into critical decision points.

[Photo: d3sign/Getty Images]

Ah, the olden days of choosing where to spend your money on dining, travel, and all that connected those experiences. Neighborhood restaurants would drop flyers in your apartment lobby to let you know they were there. Hotels would rent space on billboards and place ads in newspapers and magazines. Some joined industry groups, such as the Leading Hotels of the World, which got its start by promising ship passengers when they arrived at their destinations there would be appropriate accommodation for them. The go-to reference for figuring out where to eat would have been the iconic burgundy Zagat guides, one of the original crowdsourced review guides with quotes from ordinary........

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