How to use trading cards in the classroom?

Trading cardscould be used in the classroom as a great introductory activity. Students could make a trading card with their name and things about them. These could be posted on a class blog for all students to view. They also could be used in when talking about famous people. A card could have the picture of the noteworthy person with a description of what he or she did for society. These are just a few of the many possibilities in which trading cards can be used in the classroom.