© 2026 Velvet AIThe film loop in the hero is from Dziga Vertov’s Man with a Movie Camera (1929), in the public domain. Paintings in the grid and the Nocturne are in the public domain: Whistler, Monet, David, Mondrian, Vermeer, Toulouse-Lautrec, Renoir and Tissot. Other artwork: Vermeer, Renoir and Cariot animations by Tutt’Art@; “Melt and flow” by ANTARXIS; ink landscape by Free Dream Vault; “Bayou Witch’s Brew” by Ms Misantropia, all CC BY. Figures and quotes are illustrative. The product clips show Optimizely and Contra Labs as worked examples; Velvet is not affiliated with or endorsed by either.