35 Promoting business, sports and entertainment events of others; Providing facilities for business meetings; Concession stands featuring food, beverages, clothing, sporting equipment and souvenirs before, during and after the sports competitions, concerts and other events at a sports and entertainment events stadium; development, operation and administration of digital signage systems and digital advertising systems for others, namely, providing advertising space by electronic means and global computer information networks; retail store services featuring team apparel, sporting equipment and souvenirs