Thanks. 

17' to 21' is very interesting about the unsupported features of Sandboxed solutions.

Check the article at http://msdn.microsoft.com/en-us/site/50cace55-1e8c-4941-bbb2-91bf44303085 for part of the video's content as an article.

The PPT is available at http://www.slideshare.net/mithund/1-27sharepoint-firestarterchrismayo