Can all companies/organizations bid on the Ad-Shirt?
No products that are not permissible for the use of children under the age of 18 can be advertised on the Ad-Shirt (as children above the age of 13 can participate in this auction). Examples of products that cannot be advertised are: tobacco related products, alcohol related products, pornographic material, etc Moreover, the Ad-Shirt, will not support discrimination of any kind.