Intermediary sequelae refers to the phenomenon that personal information is leaked to other organizations and harassed for a long time after users receive the services of intermediary agencies.
Which of the following options belongs to the intermediary sequelae?
Xiao Cai bought a house in a real estate development company and then he often received calls from the decoration company asking whether he needed home decoration. Xiao Cai didn't plan to decorate for the time being and was very disgusted with these calls