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 .
Free online encyclopedia Wikipedia has fallen victim to hoaxers , vandals . Students and journalists have fallen foul of site 's inaccuracies . Cal Tech grad student has uncovered corporate Wikipedia whitewashing . Site is still a valuable resource -- when used with caution .