I've Run Out of Business Cards!!?!

Another networking meeting and I was astounded by a visitor who seemed to have an interesting business but had no business cards. A good example of how NOT to make a good initial impression, how not to make people warm to you how to make it very difficult if not impossible to follow up the contact. He did say "Google me!" but I don't that cuts it. On the other hand, he might have collected everybody else's business card, and we will all receive a professional follow up later today ... I doubt it somehow.