Free online : Wikipedia has fallen victim to hoaxers , vandals . Students and faculty have fallen foul of Wikipedia 's inaccuracies . Cal Tech grad student has uncovered corporate image whitewashing . Such abuse tends to get quickly swept away by the site 's volunteers , especially if an article has been placed on a watch list by editors who are interested in the subject . Site is still a valuable resource -- when used with caution .
Free online : Wikipedia has fallen victim to hoaxers , vandals . Students and faculty have fallen foul of Wikipedia 's inaccuracies . Cal Tech grad student has uncovered corporate image whitewashing . Site is still a valuable resource -- when used with caution .