When he worked for IBM, Arnold Ford helped invent the first computerized phone answering system. If only he had a time machine. … “It’s become a monster,” the 87-year-old St. Anne, Ill., resident said. “I don’t care how busy they are. They need to have live bodies there to take calls.” He speaks from experience. After signing up for a WellCare prescription drug insurance program in November, he received a letter with a number to call to verify his enrollment. Ford said he called the number more than 20 times in December, at all hours day and night — and could not get through.