2015, Bill Ellis, "What Bronies See When They Brohoof: Queering Animation on the Dark and Evil Internet", The Journal of American Folklore , Volume 128, Number 509, Summer 2015, page 309:
A number of “Appledash” images show the two kissing, sleeping together (inexplicitly), cuddling, or even, as in the photoshop in figure 8, engaged in mutually pleasurable horseplay.