Contemplating the "Pay Wall" Metaphor — Caldera Publishing Solutions

" ... One metaphor that has persisted for years is that of the 'pay wall,' normally written as 'paywall' but separated here for clarity. The 'pay wall' is a metaphor worth contemplating, as exaggeration of the impassibility of payment systems via this metaphor has led to all sorts of strange behaviors, accusations, and social complaints. The 'pay wall' metaphor is almost unique to online content purveyance and normal commercial transactions. There are many other transaction points put in front of acquiring something which we don't refer to as a 'pay wall' ..."