Miscellaneous Techniques These are Techniques that could be implemented in either a windows or a web application. Send Email This technique can be used on any application to send emails. ptii-401 Serialize/Rehydrate This is the magic behind working offline. To serialize means to persist your data to an XML file so that you can work disconnected with your local copy of the data and be able to turn the machine off. To rehydrate means to read an XML file and load up your data so you can then click save, and resynchronize your data with your server. ptii-402