Resumo da ópera:

CapEx -> dinheiro dos outros

OpEx -> dinheiro próprio

at the Innovative CIO conference showed about 50% of the audience preferred buying software and hardware – as opposed to leasing it from an outside provider – because their companies prefer capital expenditures to the operational expenditures associated with cloud.
http://blogs.wsj.com/cio/2012/09/23/cios-count-the-reasons-to-resist-the-cloud