Communication
No one's reading most of what you write, and three other truths every communicator needs to understand.



Jim VandeHei, Mike Allen, and Roy Schwartz are co-founders of both Axios and Politco, so they know a thing or two about getting your message across. They've written a suitably quick summary of how to say more with less. This summary of the book is even quicker.

Article: 
The Power of Saying more With Less