Robotic cars won't understand us, and we won't cut them much slack

The engineers who built routers for the fledgling ARPANET in 1969 never dreamed that networking technology would upend journalism. Nor did anyone guess that cellular communication would make people ignore one another at the dinner table. Early users of email had no idea of spam. Henry Ford did not foresee the traffic jam. . Technology has unintended consequences. Sometimes they are large and tumultuous. It is often well worth the trouble of trying to figure them out ahead of time.