@rands writes a wonderful recap of what’s right and what’s wrong with conference badges and gives some insightful advise on proper conference badge design:
A Badge Connects You to the People.
The badge achieves this by providing as much social connection with as little social friction as possible.
A well-designed badge provides useful at-a-glance information.
When you walk up to an interesting stranger, you don’t really want to spend more than a half a second staring at their badge.
What’s their title? What do they do? This and other important information doesn’t belong on the badge: it belongs in the conversation facilitated by the badge. This is the point of the badge: to create a great many first conversations.
If you’re somehow connected to conference services, keep reading.