Use your business cards wisely

I recall being on a conference call with a big name copywriting guru about how to get a copywriting career started. One of the things he told us to do was to get business cards. He suggested putting down the types of copywriting we do on the back of the card. The back of your cards are useful real estate. It may cost a little extra, but use it. Too many cards are just a name and a title and company name, but don't tell me exactly how you can help other people. That's what they want to know. How you can help them.