"Once retired, the mass affluent also seem to replace the time once spent online doing business research with gambling, trivia, card games[...]." I'm not sure

"Once retired, the mass affluent also seem to replace the time once spent online doing business research with gambling, trivia, card games[...]." I'm not sure if this is meant to be taken literally, or in the same sense you'd say, "As people age, they stop liking rock music and replace it with big band".