R.E.M.'s 1992 mopey alt rock hit "Everybody Hurts" has the bizarre effect of making Vine users drool fake blood out of their mouths.

Cecil the dog adorably howls with enthusiasm in response to hearing recorded wolf calls.

Samsung's latest video ad for solid state hard drive has drawn criticisms from Reddit for its sexist undertone, though some say it was intended for Asian audiences and therefore shouldn't be judged in the same light. What do you think?

When a site's moderators appear to be absent, some users use it as an opportunity to post material that isn't allowed.