| 摘要 |
A server computer transmits a web page over a network to a computing device so that the web page can be displayed by a browser operating on the computing device. The web page includes an image. The server computer then receives, from the computing device, coordinates of a portion of the image, the portion of the image selected by a user of the computing device. After receiving the coordinates, the server computer transmits to the computing device an updated image for display via the browser. Portions of the updated image have different levels of opacity that depend on the number of times the selected portion and other portions have been selected by other users to which the image is made available, so that the user can visually determine from the updated image portions of the updated image that have been selected by the user and by other users.
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