"Custom-designed volume servers, once an insignificant portion of the server stock in data centers (Brown et al. 2007), are expected to represent about 40% of all volume servers in operating in the USA by 2020, due to the rise of hyperscale data centers managed by large specialized service companies such as Google, Amazon, and Facebook (Shehabi et al. 2016)." (Fuchs et al 2020:391)