Four-and-a-half, but we were building awfully complex 3D game development technology without almost no funding (first revenue after four years, but founders couldn't take a wage for another half year). Doing incredibly well now, with 40 employees and growing (still no funding, but making one's own cash is much cooler :)
They "served" the French for a while, as they might serve the US in Iraq... for a while that is. But remember that just when the French thought they'd suppressed Algerian resistance, it erupted violently and the result was a long and extremely bloody civil war.
"Search for the woman": You know which packages they're sending, where to, and with what providers. Is there a way to help your users save money? And is there a way to make money off that, for example by reselling the shipping services via an affiliate deal like the previous poster suggested?
d.