A few weeks ago we wrapped up MEC 2014 in Austin, TX with the farewell Austin post. Today we are happy to announce that the MEC 2014 keynote and breakout sessions are published on Channel 9. This includes the latest content on Exchange foundational topics and the latest features including groups, and many more. The conference provides content for both Exchange on-premises and Office 365 customers. If you missed the event in person, begin by watching the MEC 2014 keynote to get you up to speed on the latest initiatives the Exchange engineering team is working on plus a segment with Perry Clarke.
Read more at source: http://blogs.technet.com/b/exchange/archive/2014/04/24/mec-2014-recordings-are-here.aspx