Aptly illustrated with Richard Prince’s 2014 series of New Portraits (image), an essay by writer and critic Jacob Barnes concludes that in the arts, social media clout does not equal market value. On Instagram, he notes, art school students regularly outperform established names while selling work for relative peanuts. As boundaries between art, artist, and process dissolve, Barnes identifies two metrics that signify value: “the maturity of an artist’s practice and the photogenicity of a given work.”