
At Visions Marketing Services, a company in Lancaster, Pa., that conducts telemarketing campaigns for banks, mortgage trigger leads [of people who just applied for home loans] were marketing gold during the housing boom. “We called people who were astounded,” said Alan E. Geller, chief executive of the firm. “They said, ‘I can’t believe you just called me. How did you know we were just getting ready to do that?’ ” “We were just sitting back laughing,” he said.

