The headline model refers to an information service model in which Internet companies, media, etc. accurately push and screen out information to specific users and have important reference value for users.
Which of the following belongs to the headline model?
After purchasing milk powder in a shopping mall, Xiao Li has successively received discount promotions for bathtubs, remote control toys, children's books and other commodities from the mall in the past three years, which really saved a lot of money