Interestring that a company that produces software specifically for companies would introduce features that a lot of their users on older version of IE wouldn't be able to use. I wonder what percentage of their users are able to use this feature.

Crocodoc allows IE6 users to download either the original file, or a PDF version containing any comments and markups that have been added to it so far.

All other versions of IE work fine (and IE9 actually looks amazing due to its updated font rendering engine).

As Ryan pointed out the HTML5 document viewer works in IE 7,8, and 9 plus of course Chrome, Safari and Firefox. This covers 94% of Yammer's daily active users, the remaining 6% of IE 6 users are given the option to download the original or marked up file.

I like the company, but don't see the big deal. I did this very thing back in 2002-3 calling a DLL to convert Word to HTML. Their implementation is much prettier of course.

It's easy to get very basic Word/PDF documents to look decent in HTML, but to get ALL documents to look virtually identical in HTML is extremely challenging.

Here is the same document displayed in Crocodoc as well as an online "PDF to HTML" converter, for example:

http://crocodoc.com/ElpNgF

http://www.pdfonline.com/convert-pdf-to-html/DocStorage/678a...