Well, if we want to be pedantic, and of course we do, I'd say the stickers are a form of self-expression and the comments are a form of expression, some of which seemed cynical and/or biased due to most of those laptop lids featuring a high proportion of innocuous logos, video games, ironic meme culture stuff, cute animals, some flags, and if I really look for it, some resembling vaguely anti-authoritarian themes