Protecting personal data in screenshots using HTML

    This idea is not new (at least in my head it settled a long time ago), but there are no hints at a decent implementation. However, let's take it in order.


    A familiar story, isn't it? How much effort and attention it takes to clean up important and confidential data, to check and double-check, to keep at least a minimal graphic editor at hand - and still be mistaken, releasing something expensive in the wild Internet: take at least the classic story with a purse manufacturer who invested in a transparent a pocket of storefront samples a paper copy of a credit card - and thus “punished” his own secretary for several thousand dollars, forgetting to retouch the number.
    For the web-world, I propose to solve this problem by introducing into the standards a new css media selector, say, capture. Then it will be possible to add to the layout of the web interface both the corresponding markup and the rule for non-displaying blocks sensitive to publication.
    @media capture { .persdata {color:transparent !important; background-image:url("/i/bubbles.gif") !important;}}
    

    The approach is not ideal and requires additional rendering by the browser, obviously separate from the default and well-established hotkey - or, if you take the Google Chrome example, support for this media in the extension API.
    I also want to add that it would be nice to extend this filtering to OS interface objects as well - what do you think?

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