Z:gnu-www-ja-use-free-software--f19f0a-Those nonfree programs are not/en

Those nonfree programs are not trivial. Developing free replacements for them will be a big job; it may take years. The work may need the help of future hackers, young people today, people yet to be inspired to join the work on free software. What can we do today to help convince other people, in the future, to maintain the necessary determination and persistance to finish this work?