Market size: Large (> 10,000,000 people)
Investments required: Medium (< US$5,000,000)
Expert rating5.25
Public rating5.17
I noticed some people, for instance in social service organization, wait in wain. When their turn comes, they find out that this service is temporarily nor available.
The electronic queue board could have an additional window for such information. This would serve people's time and nerves.