The document discusses a BBC news story about the value of mobile phones. It asks students to name phone brands and estimate their costs. Students are asked to identify disadvantages and advantages to users, as well as disadvantages and benefits to other people and society. A class survey on the importance of phones is mentioned. The document also references a role play activity of a salesman and confused shopper. It concludes with asking students to provide three things in a plenary: what they enjoyed, what could have been better, and any questions for next week.