SOAP, REST or just XML for Objective-C/iPhone vs. server solution

Question

We are going to set up a solution where the iPhone is requesting data from the server. We have the option to decide what kind of solution to put in place and we are not sure

Answer 1

XML Property-lists (plist) are also a common way to serialize data in Cocoa. It is also trivial to generate from other languages and some good libraries exist out there.