The number one gadget for most teenagers today is the mobile phone. They seem to get enormous (1) ... from comparing new models which (2) ... them to send text messages at the speed of life. But most teachers are totally intolerable of mobile phone use in the classroom. Text messaging is completely banned and mobiles should be (3) ... switched off. This approach gets across the message that students need to concentrate. However, it shows that many schools misunderstand the full capability of the mobile phone. After all, a mobile phone is just like a mini computer, with full access to the web. There are many (4) ... ways in which mobiles can be used for learning.