1. Learn Windows Store App Development in 31 Days

By ASP.NET/IIS MVP Karthikeyan Anbarasan - @f5Debug

2. DBIMPEXP.exe functionality integrated into Lync 2013 Preview Management Shell

By Exchange Server MVP Elan Shudnow – @ElanShudnow

3. Lync Edge Stun Turn

By Lync MVP Jeff Schertz - @jdscher

4. Choosing Hardware Or Software Functionality In Virtualisation

By Virtual Machine MVP Aidan Finn - @joe_elway

5. Windows Store apps Development Tutorial (Part 2) - Understand Project Templates and Structure

By Silverlight MVP Kunal Chowdhury - @kunal2383