Poor communication in business whether written or oral, can obstruct the efficiency of your organization or a specific department. For instance, vague email messages that require clarification, documents that need rewriting due to errors, and uninformed presentations and speeches, can greatly affect the flow of work in the company. Effective business communication skills are crucial to successfully completing any project, large and small. When multiple employees or company departments team up to complete a large project, the value of each department's skills will increase exponentially. Without implementing clear communication practices, however, company projects will be slow and inefficient to complete.