Uploading is an ignored part of web technology, but it's critical to getting content into your web app. In this talk you will learn how to: <ul> <li>Use the latest HTML5 drag-and-drop uploading to make uploads simple and fast</li> <li>Seamlessly support older browsers with Flash and Ajax uploading</li> <li>Effectively handle large files and entire folders using browser plugins</li> </ul> I will show how Box.net uses progressive enhancement to do all of the above with minimal pain and maximal code re-use. Presentation slides are here: https://www.box.net/shared/rengot0fq0b9r2le45hi