2 Focus Groups Are Dangerous. Know When To Use Them (fastcodesign.com)almost 11 years ago from Christophe Tauziet, Product Designer at FacebookLogin to CommentYou'll need to log in before you can leave a comment.LoginRegister TodayNew accounts can leave comments immediately, and gain full permissions after one week.Register now
Login to Comment
You'll need to log in before you can leave a comment.
LoginRegister Today
New accounts can leave comments immediately, and gain full permissions after one week.
Register now