Link your previous stacks with new stacks. If you knew C/C++ very well, it will definitely help you when you work on iPhone Objective-C work. Your work with C

Link your previous stacks with new stacks. If you knew C/C++ very well, it will definitely help you when you work on iPhone Objective-C work. Your work with C#/COM will help you with WP7 dev work, etc. A guy who can do front and back end well is also valuable too. Play your experience in older stacks to your advantage to show your versatility.