— You need no special knowledge in IT sphere; just tell me what your business is, who the audience is and what purposes project has;
— To edit a wireframe is faster and simpler than a design mockup;
— Giving a task to designers and developers becomes easy as the wireframe displays almost all requirements;
— The wireframe let you see how important dynamic elements will work: clicking all the profile page tabs or product ordering steps, etc.;
— During wireframe developing all important and difficult aspects of project interface will be worked out; even those you would never suppose before;
— The wireframe gives you a complex vision of future project which no text document can provide.