What does the “Prefer 32-bit” compiler flag mean for Visual Studio (C#, VB)?

Question

Just got the Visual Studio 11 developer preview installed. I see a new option in the project properties called \"Prefer 32-bit\" when compiling a managed (C#, VB) applicatio

Answer 1

EDIT: Application compiled with "Any CPU 32-bit preferred" is compatible with x86, x64 and ARM, while x86 is compatible only with x86, x64 and not ARM. For details see this.