Check this out..
Windows 8 tiles system
http://droptiles.com/#flickr
http://www.drewgreenwell.com/projects/metrojs#fiddleAround
Windows 8 tiles system
http://droptiles.com/#flickr
http://www.drewgreenwell.com/projects/metrojs#fiddleAround
| Event Receivers | Workflows |
| Can execute either before or after the operation | Always executes after the operation |
| Can cancel the operation | Cannot cancel the operation as the item will have already been created |
| Cannot be launched manually by the user | Can be started manually by the user |
| Not designed for user interaction | Specifically designed for user interaction |
| Can execute in response to many different actions, including deletes | Can only execute in response to one of four events – Manual, an item being created, an item being edited, and an item being submitted for approval |
| Must be created in Visual Studio | Can be created with Visual Studio, Visio or SharePoint Designer |