Had it been available at the time, he probably would have. He did two years in prison for three articles he wrote in Young India, a weekly journal he self-published. When he was arrested for the articles (which spoke against British rule of India) his wife took over printing the journal for him.
After his release from prison, he began publishing a newspaper called Harijan. Basically, at that time - self-published printed material was one of the most rapid ways to disseminate information.