There are a few types of people in this world, and one of them is the keeper of the memes. There are folks who casually enjoy memes, who chuckle when their friends send them something on Instagram. There are people who avoid these things entirely, who would have no idea that “demure and mindful” was anything besides adjectives. And then there are the keepers of the memes . Us meme keepers have extensive libraries of reaction images. We collect gifs like rich men collect rare vintage wines. We k…