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<p class=MsoNormal><font size=2 color=maroon face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:maroon'>Please contact me if you have questions
or would like further details.</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 color=maroon face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:maroon'>Thanks,</span></font></p>

<p class=MsoNormal><font size=2 color=maroon face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:maroon'>Chris Moffatt</span></font></p>

<p class=MsoNormal><font size=2 color=maroon face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:maroon'>Lead Program Manager</span></font></p>

<p class=MsoNormal><font size=2 color=maroon face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:maroon'>ConferenceXP Project, Microsoft Research</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a href="mailto:chrismof@microsoft.com"
title="mailto:chrismof@microsoft.com">chrismof@microsoft.com</a></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a href="http://www.conferencexp.net/"
title="http://www.conferencexp.net/">www.conferencexp.net</a> </span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font></p>

<div>

<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>

<hr size=2 width="100%" align=center tabindex=-1>

</span></font></div>

<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Chris Moffatt <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, November 23, 2004
10:52 AM<br>
<b><span style='font-weight:bold'>To:</span></b> 'cxpannounce@list.research.microsoft.com'<br>
<b><span style='font-weight:bold'>Cc:</span></b>
'presenter-profs-admin@cs.washington.edu'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Release Candidate for
ConferenceXP 3.0 is now available!</span></font></p>

</div>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dear ConferenceXP User,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I&#8217;m pleased to report that we are very close to
releasing ConferenceXP 3.0 and we&#8217;d like to invite you to participate in
some real-world testing with the our release candidate. You can download the
ConferenceXP 3.0 release candidate <a
href="http://www.conferencexp.net/test/CXPClientSetup30_RC1.msi">here</a>.
Click <a
href="http://www.conferencexp.net/community/images/cxp30_screenshot.jpg">here</a>
to view a screenshot.</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>This is a major release, with many enhancements and improvements
including: </span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Great support for high quality conferencing</span></font></b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>: </span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>Controls for audio and video are embedded into the video window to
provide a Windows Media-style experience. </span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>ConferenceXP now supports a much wider range of cameras and capture
cards. We will post a list of supported devices on the web site.</span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>Support for multiple cameras on a single computer.</span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>We have upgraded our video to the Windows Media 9 codec and also enabled
support for &#8220;very low quality&#8221; (160x120@30fps, 50Kbps) for
bandwidth-limited scenarios.</span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>We have improved the usability of the ConferenceXP Client UI.</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Great Support for wireless, collaborative
learning environments</span></font></b><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>: </span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>We have implemented Reed-Solomon Forward Error Correction (FEC) in order
to improve the reliability of delivering static data (e.g. slides, ink and
navigation over wireless networks) over ConferenceXP&#8217;s RTP network
protocol. </span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>With the 3.0 release, ConferenceXP&#8217;s peer-peer, multicast
architecture, coupled with highly reliable delivery of static data, we are in a
position to support large classroom/lecture scenarios where all or many
students have tablets or notebooks. </span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>OneNote SP1 is able to receive RTDocument data, and can be used as a
client to CXP Presenter and the upcoming v2.0 release Classroom Presenter from University of Washington. (This functionality was included in 2.4.2 but is now exposed in
the UI and has undergone testing and bug fixes).</span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>We recently completed a scalability test where we deployed 50 tablets
over 802.11b, and were able to deliver slides and ink with greater than 99%
reliability,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Archive Service and Multicast/Unicast
Reflector Service</span></font></b><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>: </span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>The ConferenceXP 3.0 client is enabled to take advantage of our upcoming
releases of Archive Service and Multicast Reflector. </span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>The ConferenceXP Archive Service supports record and playback for a
ConferenceXP session, including multiple audio/video streams, presentation, and
ink.</span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>The ConferenceXP Multicast/Unicast Reflector enables clients running on
networks where multicast is not enabled, or not enabled, to participate in a
multi-point conference.</span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>We plan to release Beta versions of these services before the end of the
year. If you are eager to test these components, let us know and we can direct
you to hosted services for testing.</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Under the covers</span></font></b></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>- RTP/RTCP: We have done extensive work at the network
level, and stability and performance has been significantly improved.</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>- RTDocs: We have finalized the interfaces and formats for
RTDocs, and look forward to the development of additional collaborative
applications. </span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Application Development</span></font></b></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>ConferenceXP 2.4 was a great platform for collaborative applications and
the enhancements and additions to 3.0 have extended the capabilities available
to developers. These enhancements include the ability share several
capabilities in the same window.</span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>-</span></font><font
size=1><span style='font-size:7.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>If you&#8217;re interested in developing collaborative applications on a
platform that supports a rich sharing architecture and API, please visit us at <a
href="http://www.conferencexp.net/">http://www.conferencexp.net</a> to learn
more about how to get involved. </span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Sincerely,</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Chris Moffatt</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lead Program Manager</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>ConferenceXP Project, Microsoft Research</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a href="mailto:chrismof@microsoft.com">chrismof@microsoft.com</a></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a href="http://www.conferencexp.net/">www.conferencexp.net</a>
</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;</span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

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