via: ryan

"Write multiple plug-ins before release_ If you write one, it probably won't support another_ If you write two, it will support more with difficulty_ If you write three, it will work fine• Will Tracz calls this “The Rule of Threes”(Confessions of a Used Program Salesman, Addison-Wesley, 1995)"

"The Beginner's Guide to Search Engine Optimization (SEO) is an in depth tutorial on how search engines work that covers the fundamental strategies that make websites search engine friendly. To download your copy of the world’s most read guide on SEO, join the community of SEOmoz PRO members."

"view any online PDF document using this reader? Well you can, and using this freshly brewed bookmarklet, you can turn any hyperlink that points to a PDF into a comfy Google Viewer readable PDF." Bookmarklet: javascript:var%20link,l=0;while(link=document.links[l++]){if(link.href.toLowerCase().indexOf('.pdf')!=-1||link.href.toLowerCase().indexOf('.ppt')!=-1||link.href.toLowerCase().indexOf('.tiff')!=-1||link.href.toLowerCase().indexOf('.tif')!=-1&&link.href.indexOf('javascript')==-1&&link.href.indexOf('file:')==-1){var%20newString='http://docs.google.com/viewer?url='+link.href;link.href=newString;}};void(null);

"Use Google Docs to quickly view documents online without leaving your browser. Enter a document URL below to generate a link to view it PDF documents, PowerPoint presentations, and TIFF files are supported"

Lifehacker likes this converter

"<iframe src="http://docs.google.com/gview?url=http://infolab.stanford.edu/pub/papers/google.pdf&embedded=true" style="width:600px; height:500px;" frameborder="0"></iframe>"

scaaary pdf on malware!

This module lets you upload documents to www.scribd.com and then display them on your Drupal site using their iPaper application. After installation, attach (upload) a document to an iPaper node, and the module will transfer it to Scribd through their API. When you view the node it will contain the embedded iPaper object. The iPaper Flash object loads very quickly and allows your users to display documents without downloading them.

German students compile a battery of tests to see how good Lulu's digital printing is. Source material downloadable as a pdf.

can combine, split, rotate, reorder, watermark, encrypt, sign, and otherwise tweak PDF files.

"the evidence presented indicates that the rate of innovation reached a peak over a hundred years ago and is now in decline. This decline is most likely due to an economic limit of technology or a limit of the human brain that we are approaching"

For too long, we have educated people for a world that no longer exists, extinguishing their creativity and instilling values antithetical to those of a free, 21st century democracy. The principal objective of education as currently provided is to ensure

pointers on facilitating collaboration

Excellent list of Key Learning Principles on page 7. From a Grant Wiggins pdf.

Converts PDF text quickly and accurately Handles all fonts and languages (including Chinese, Japanese, Korean, and more)

reorders, deletes, and combines PDFs from the comfort of any web browser

a desktop document conversion tool to convert Adobe PDF file to Microsoft Word Doc file

the evolution of human society is as much about old things disappearing as new things appearing

Free (and open source) editor for manipulating PDF documents. GUI version + commandline interface.

an easy-to-use tool that provides functions to split and merge PDF files or subsections of them.

(will run under cygwin) Complete editing of PDF documents is possible with PDFedit. You can change raw pdf objects (for advanced users) or use many gui functions.

(Note, may require installing trialware!) FREE PDF Toolbox to Merge, Split, Reorder, Encrypt, Decrypt, Rotate, Crop, Reformat, Header, Footer, Watermark, Images to PDF, PDF to Images, Form Fields Delete/Flatten/List, and PostScript to PDF.

excellent format support, best quick tool for eps to something else.

form filling, typewriter mode (for forms that were not designed for filling), the ability to add annotations and draw shapes into your PDF, as well as the ability to leave comments and embed sticky notes into the PDF document.

sudo apt-get install cups-pdf then add a local generic postscript printer

If PDF is electronic paper, then pdftk is an electronic staple-remover, hole-punch, binder, secret-decoder-ring, and X-Ray-glasses. Pdftk is a command-line tool for doing everyday things with PDF documents.

pdf library management software under the GPL licence. It is designed to easily access and organize a large collection of documents

Extract pages, or range of pages, into new PDF documents.

gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dFirstPage=4 -dLastPage=9 -sOutputFile=output.pdf input.pdf

service for converting documents, especially pdf. does video too, apparently.

a free tool to create PDF files from nearly any Windows application

Document, Compressed archive, sound and video converter MP3 WMV 3GP AMR FLV SWF AMV MOV WMA AVI MPG MP4 DivX MPEG4 iPOD OGG WMA AAC MP4 MPC MMF QCP KAR MIDI REALAUDIO FLAC JPG PSD DOC PDF RTF TXT ODG ODP ODS ODT SXW WK1 MDB XLS VOB

Paperless Printer® is a universal document exchange utility that can be used as a Virtual Printer to publish virtually any document in Adobe Portable Document Format (PDF), Hypertext Markup Language (HTML), Microsoft Word Format (DOC), Microsoft Excel Fo

PDFLab lets you split and join PDF documents as well as insert images and blank pages.

CutePDF Writer installs itself as a "printer subsystem". This enables virtually any Windows applications (must be able to print) to create professional quality PDF documents

Convert to PDF from any application by simply 'printing' to the PrimoPDF printer

Here are some rulers you can print out. Disposable paper rulers! :)