From this morning’s front page:
Most Web users are familiar with so-called cookies, which make it possible, for example, to log on to Web sites without having to retype user names and passwords, or to keep track of items placed in virtual shopping carts before they are bought.
The new Web language (HTML5) and its additional features present more tracking opportunities because the technology uses a process in which large amounts of data can be collected and stored on the user’s hard drive while online. Because of that process, advertisers and others could, experts say, see weeks or even months of personal data. That could include a user’s location, time zone, photographs, text from blogs, shopping cart contents, e-mails and a history of the Web pages visited.
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