Free online encyclopedia Wikipedia has fallen victim to hoaxers , vandals . Still , at any given point , Wikipedia visitors ca n't be sure of what they 're getting . Comment: Cal Tech grad student has uncovered corporate Wikipedia whitewashing . Site is still a valuable resource -- when used with caution .
Free online encyclopedia Wikipedia has fallen victim to hoaxers , vandals . Comment: Cal Tech grad student has uncovered corporate Wikipedia whitewashing . Site is still a valuable resource -- when used with caution .