It's true! NASA's space shuttle was controlled by a computer running on only one megabyte of RAM. How was this possible? Since the space shuttle and all its hardware was over 30 years old during its last flight in 2011, so was its computer.
IBM's 3270 machines are still running strong today, and that is only because they finally gave into the Telnet protocol developed to circumnavigate their proprietary-based and restrictive systems network architecture.
Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning.