While he works on this project, he also has been using social media to promote the book and also to draw attention to neglected areas of history.
Tweeting as @DouglasMCharles, he has been posting information from the book, often with the hashtag #OTD (on this date).
Recent examples include a conversation between FBI Director Hoover and Senator Joseph McCarthy and a memo from Hoover to the White House, both showing Hoover’s interest in identifying and targeting gays.
As a result of these postings, Professor Charles reports that his Twitter followers have doubled in the past few months. H
He has attracted attention from a diverse audience that includes government officials and celebrities, as well as historians and academics.