Delivered at SharePoint Saturday Netherlands May 2014. Learn what you can do with declarative only Sandbox Solutions for SharePoint 2013 On Premise or Office 365 using Visual Studio 2013. Site Columns, Content Types, List Definitions, and List Instances. Navigation, Ribbon Buttons (Custom Actions), site pages, OOTB web parts, configured web parts (with CDATA), and files such as images, JS, and CSS. Finally look at Web Templates for provisioning of web sites. This is a very valid and must know technique for every SharePoint 2013 developer!