People skills in "soft skills" and interpersonal skills of employees. In organizations, improving people skills became a specialized role of the corporate trainer. By the mid-1930s, Dale Carnegie popularized people skills in "How to Win Friends and Influence People" and "How to Stop Worrying and Start Living" worldwide. In the 1960s, US schools introduced people-skills topics and methods—often as a way to promote better self-esteem, communication and social interaction. These encompassed psychologist Thomas Gordon's "Effectiveness Training" variations as well as many other training programs. The first documented use of the phrase "people skills" was around 1970. The SCANS report states that business,
How to Win Friends and Influence People the start, going through 17 editions in its first year alone. In 1981, a revised edition containing updated language and anecdotes was released. The revised edition reduced the number of sections from six to four, eliminating sections on effective business letters and improving marital satisfaction. The book has six major sections. The core principles of each section are explained and quoted from below. Before "How to Win Friends and Influence People" was released, the genre of self-help books had an ample heritage. Authors such as Napoleon Hill, Orison Swett Marden, and Samuel Smiles had enormous success with their self-help books