Corporate Communication and Contemporary Business Challenges was republished in 2012 from a report that was written in 2007.   These classic concepts seem to have endured the ravages of time. The author states that corporate (organizational) communication focuses on communicating internally and externally with all their audiences and constituencies (stakeholders). Dj vu? The article asserts that writing is a core skill for corporate communication, as well as a thorough knowledge of the company and of business principles.  Which of these are the most difficult to attain proficiency? Defend your selection. you can also utilize havard business publishing.