In the age of knowledge, ideas are the foundation of success in almost every field. You can have the greatest idea in the world, but if you can’t persuade anyone else to follow your vision, your influence and impact will be greatly diminished. And that’s why communication is no longer considered a “soft skill” among the world’s top business leaders. Leaders who reach the top do not simply pay lip service to the importance of effective communication. Instead, they study the art in all its forms — writing, speaking, presenting — and constantly strive to improve on those skills. Read this great HBR article to find out more.