Dell computers can be surreptitiously forced to reveal the number company employees use to identify customers. The unique Dell service tag can be used to fingerprint users even when they turn on private browsing mode or delete all browser cookies. The only way to stop the tracking is to uninstall the Dell Foundation Services app. A Dell spokeswoman said company officials are investigating the vulnerability report and don’t yet have a comment on it. The ID can also be entered into this Dell webpage to obtain warranty information.”]