Stéphane Bortzmeyer kindly gave me a copy of NET.LANG: Towards a Multilingual Cyberspace, which he co-authored, and I devoured it. I speak several languages, so I have a bit of understanding of the issues surrounding multilingualism, but there are many issues and problems I'd never taken the time to consider.
NET.LANG is a fascinating collection of reports on different aspects surrounding the world's languages: statistics on predominant languages, standardization bodies, issues with languages on the Web (encoding, representation, searching, etc.).
I highly recommend reading NET.LANG, which is currently available in its original French or the translated English version. Work is in progress to translate it to Spanish and Russian. The book is available online as a DRM-free PDF and a forthcoming ePub edition will also be free of charge.