The Dynamics CRM 2011 December 2012 service update (otherwise code-named Polaris) gave us the new Flow-UI forms. These forms include an auto-save feature that can, and probably will, effect the way we CRM developers approach our work.
If you have not investigated the side-effects and other design-considerations for this new feature, please take a look at the following articles:
Auto Save for Updated User Experience Forms in December 2012 Service Update
Design Considerations for Different Form Presentations