Comments on YouTube. Frequently filled with racism, stupidity, very poor spelling and trolls due to lack of moderation and people who don't watch the video before commenting on a video.
Example of YouTube comments:
Cool video. 5/5
OMG I likke dis vid ts soooo grewat!!!
Meat coming from dogs, eaten in countries like China (excluding Hong Kong), South Korea, Switzerland, East Timor, Tonga and several more. Taboo in countries like the USA and UK.
That guy ate some dog meat for dinner there.
The backbone of transport in the big Russian capital of Moscow. It is notable worldwide for it's socialist architecture and art. The second most used metro/tube/subway system in the world behind the one in Tokyo. Also one of the only metro systems in the world that does not offer an audible door closing warning other than a voice.
The Moscow Metro needs a door signal other than a voice.