SP2013 What's New for Developers : SPSSTL
Share point 2013 - Javascript Object Model
SharePoint Saturday Kansas City - SharePoint 2013's Dirty Little Secrets
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Practical SharePoint 2013 Development Environment
Developing Apps for SharePoint 2013
Apps for SharePoint 2013
SPCA2013 - Once you go app you don't go back
Integrate External Data with the Business Connectivity Services by Tom Resing - SPTechCon
SharePoint 2013 Lunch and Learn
SharePoint Development with Visual Studio 2012
10 No Code Tricks for Making Awesome SharePoint Solutions