Your Existence
A few weeks ago, stencil graffiti started appearing over the streets of the Mission district in San Francisco, showing twee messages like "Your existence gives me hope" and "Your sweet voice breaks my heart".
A few days later, amusingly snappy counter-graffiti started showing up:
(Thankfully, these days "take a photo" means "someone else on the internet has already taken the photo I want so I'm just going to use that")