• The Streisand effect is a primarily online phenomenon in which an attempt to censor or remove a piece of information that has the unintended consequence of causing the information to be publicized widely and to a greater extent than would have occurred if no censorship had been attempted. As early as 1993, John Gilmore observed that "the Net treats censorship as damage and routes around it."[1] Examples of such attempts include censoring a photograph, a number, a file, or a website (for example via a cease-and-desist letter). Instead of being suppressed, the information receives extensive publicity, often being widely mirrored across the Internet or distributed on file-sharing networks

  • f PDF is electronic paper, then pdftk is an electronic staple-remover, hole-punch, binder, secret-decoder-ring, and X-Ray-glasses. Pdftk is a simple tool for doing everyday things with PDF documents. Keep one in the top drawer of your desktop and use it to:

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    Merge PDF Documents
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    Split PDF Pages into a New Document
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    Rotate PDF Pages or Documents
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    Decrypt Input as Necessary (Password Required)
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    Encrypt Output as Desired
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    Fill PDF Forms with FDF Data or XFDF Data and/or Flatten Forms
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    Apply a Background Watermark or a Foreground Stamp
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    Report on PDF Metrics such as Metadata, Bookmarks, and Page Labels
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    Update PDF Metadata
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    Attach Files to PDF Pages or the PDF Document
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    Unpack PDF Attachments
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    Burst a PDF Document into Single Pages
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    Uncompress and Re-Compress Page Streams
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    Repair Corrupted PDF (Where Possible)

    (tags: pdf php toolkit)