The unusual crime-fighting service could arise only in sub-Saharan
Africa, where roughly half of the region’s 850 million people now
have cellphones. To a degree unmatched anywhere else in the world,
the cellphone in Africa is an engine for innovation, spawning mobile
technologies that a large swath of the population can take advantage
of quickly and cheaply to tackle urgent needs.
In this business, by the time you realize you're in trouble, it's too late
to save yourself. Unless you're running scared all the time, you're gone.