Tech Minute: New online services help you say thank you, hello, and I'm sorry

There are dozens and dozens of online services to help you create beautiful invitations, holiday cards, or birth announcements. Now several Web sites have popped up to let you create one-off, personalized greetings cards -- say for a birthday, anniversary, or thank you note. In this Tech Minute, CNET's Kara Tsuboi reports on these services.