A presentation I made at an iOS CocoaHeads event about the importance of delight, it covers what is is delight, the value of delight, and how you can use it in your applications. For reference and more reading see these links: http://blog.invisionapp.com/why-empty-states-deserve-more-design-time/ http://www.webdesignerdepot.com/2015/07/7-secrets-for-enhancing-ux-with-micro-interactions/