1.When answering this question, you can compare the differences in cellphone usage habits, purposes, and preferences between young and old people. Young people may use cellphones more frequently for social media, entertainment, and communication, while older people might use them more for practical purposes like making calls and sending messages. 2.You can also discuss the differences in technological adaptability and familiarity. Young people, having grown up with technology, might be more adept at using advanced features and apps, whereas older people might prefer simpler functions. Additionally, you can mention the differences in concerns, such as privacy and security, which might be more significant for older users.