The Wall Street Journal recently asked for questions from readers on technology and privacy, and a key question on many readers' minds, the report states, is, "Does deleting cookies force trackers to start over, or do they just pick up where they left off, combining the new with the old?" Jules Polonetsky, CIPP, of the Future of Privacy Forum explained that when consumers delete all cookies and later enable them, tracking companies generally can't associate the data from the newly enabled ones with the old ones. "You deleted that number that the advertising company or Web site recognizes you by," he said, explaining that when users return, "they will assign you a new number and generally are not going to have a link between the new and the old." (Registration may be required to access this story.)
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