v3rgEz writes: "A collection of GNU telephony tools has been highlighted as a way for citizens to counter-act repressive regimes. It also turns out it's a good way to earn a buck: IT professionals with telephony skills are highly in demand, and GNUjitsu can help cut costs at both small business and large enterprises without giving up business-grade reliability."
Thus mathematics may be defined as the subject in which we never know
what we are talking about, nor whether what we are saying is true.
-- Bertrand Russell