What makes a good trade show display?

A trade fair may have number of booths and other displays but have you ever seen the entire crowd jumping onto one of the booths? If yes, it is extremely important to know what it is that makes people so keen to have a glance of what a particular booth is showcasing. Well, it is an appealing design of the display which is responsible for such a crowd. Nowadays, companies are well aware of the significance of an attractive trade show display and thus do not hesitate in shelling out a few bucks to get professional help for this utmost important job.