1. Royal blue and light blue. 1 baseball. 1. Teal and purple. 1 baseball. 1. In the end, it's clear that the colors do not dominate the sports, but each individual game has a traditional power that has had the same color scheme for decades carrying the flag.
Allowing the public to interact with mock-ups at trade shows is part of the R&D process, as it enables engineers to see how consumers will interface with products. A trade show is an organized meeting held over the course of several days where members of a certain industry demonstrate their products or services.
In contrast to consumer fairs, only some trade fairs are open to the public, while others can only be attended by company representatives (members of the trade, e.g. professionals) and members of the press, therefore trade shows are classified as either Public or Trade Only.