Update February 8, 2011 – Changing the article title to Lync Web App as we tend to discuss reach as an experience and not any specific client experience.
Update February 4 2011 – Turns out Jens has an article with more depth on the Lync Web App - http://blogs.technet.com/b/jenstr/archive/2010/11/30/launching-lync-web-app.aspx
I was hosting a call today with external customers and there was a requirement they be able to view a shared presentation but not everyone had the Lync client or some that did were restricted to internal only connections and no Edge/Firewall support for external, which necessitated the web experience.
Turns out there is a rather easy solution to the problem. Take the meeting url and append the following
You should then see this page:
TomL LCSKid (thanks to Brian for sharing)