The Impact Of Improving Health Is That

Software Is Inherently Complicated. If You Say To Somebody I Want An Airline Reservation System, To Really Say What You Want In Terms Of Overbooking And Fares, And Different Airlines Communicating With Each Or Schedule Changes, It's Immensely Complex. And So You Can't Write A Program That's Any Simpler Than That Full Specification.

Your Most Unhappy Customers Are Your Greatest Source Of Learning.

Countries Which Receive Aid Do Graduate. Within A Generation, Korea Went From Being A Big Recipient To Being A Big Aid Donor. China Used To Get Quite A Bit Of Aid; Now It's Aid-neutral.

Rich Countries Can Afford To Overpay For Things.

Some Very Poor Countries Run Great Vaccination Systems, And Some Richer Ones Run Terrible Programs.