for:

　　Mobilephoneshasbringusintoafasterinformation-changingage.Teenagersshouldhavemobilesphonestolearntoadjustthemselvestotheinformation-explodingsociety.

　　Today,mobilephonedonotonlykeeptheyoungstersincontactwithhisfamilyandfriends,italsoprovidealotofstudy-while-playelements.Studentscanmemorizewordswhileplayingsomegooddesignedgames.Certainly,itcanalsobeusedasadictionary,atextbook,aninternetlearningresourceseeker.

　　What'smore,it'sverycool,Ibelievemostyoungsterswouldliketohaveamobilephone.

　　Ifyoudoubtyourkids'self-controlability,justreplacethegameswithlearningmaterials.But,manfacestemptationsallhislife,soontheotherhand,withgoodguidance,thecellphonemayprovideagoodopportunityfortheteenagerstodevelophisself-control.

　　So,don'tlettheteenagersgetoutofdaterightbeforegrowingup,afterall,he'llhavetoadapthimselftotheinformationage,alone,onlyafewyearslater.