Memes aren't purely for entertainment. Memes serve many purposes. They're like little friends in your phone that cheer you up when you're feeling lonely or sad. They bring people closer together and they're a good excuse to DM a crush in a chill and non-committal way. The perfect meme will brighten up any group chat after an awkward silence. They're excellent for occupying dull moments you can't get out of, like waiting in a long line at the grocery store. If you're trying not to make eye-conta…