If you Google the size of Elden Ring's map, chances are you'll see the same figure repeated throughout the results: 79 km2. What those sites won't tell you—and might not even realize themselves—is that the source for that 79 km2 figure is a reddit post from user Lusty-Batch, who on February 27, 2022 said that "my edible hit harder than expected so I calculated the size of the entire map, used the size of my horse and a bridge to estimate lengths."
Many fields of inquiry have humble origins.