Ross Mounce discusses the problems of blogging snippets from CC BY-NC-ND articles which forbid derivative works. Here’s a live example from Europeana. They couldn’t display a title-page preview, even if they wanted to, due to the no-derivatives licence…

europe

Perhaps we need a little ‘show only a user-defined area’ PDF embedding widget like the excellent Snippage. Snippage lets you display a user-defined frameless fragment of any Web page on your Windows desktop, and have it refresh at regular intervals. Here it is in action on my desktop…

snippage

This is the BBC 5-day UK weather, snipped down to a live two-day tile. A version of Snippage for blog embedding of PDFs would of course embed the whole PDF (a bit clunky, but doesn’t violate the licence…), yet would show only a user-defined area of a specific page. Firefox’s open HTML5 render engine for PDFs might be the underlying tech to make it work.

Or we could just use a screenshot and plead ‘fair use’.