Some bots auto-revert changes that are likely to be vandalism or spam, like if a...

		JustinSeriously on June 6, 2011 \| parent \| context \| favorite \| on: Half of the top 50 Wikipedia contributors are bots Some bots auto-revert changes that are likely to be vandalism or spam, like if an anonymous user adds a link to a blog on a free blog hosting site. (Specifically, see http://en.wikipedia.org/wiki/User:XLinkBot .)