Kathryn Hanson, a former telecommunications engineer who lives in Oakland, Calif., was looking at BBC News online last week when she came across an item about a British politician who had resigned over a reported affair with a “rent boy.” It was the first time Ms. Hanson had seen the term, so, in search of a definition, she typed it into Google. As Ms. Hanson scrolled through the results, she saw that several of the sites were available only to people over 18. She suddenly had a frightening thought. Would Google have to inform the government that she was looking for a rent boy – a young male prostitute? Full Story