Think of it as a crowd cheering. You can't make out any single voice, but there's a coherency to the noise. In the same way, mass-chats conform around smileys a

Think of it as a crowd cheering. You can't make out any single voice, but there's a coherency to the noise. In the same way, mass-chats conform around smileys and memes in response to whatever the crowd is viewing together.