This article discusses Tatts Group Limited, an Australian gambling company, and its potential merger with Tabcorp Holdings Limited. The article explains that the merger would create a major gambling monopoly in Australia, leading to concerns about the impact on competition in the industry. Tatts Group is known for its lottery business, while Tabcorp is a provider of wagering and gaming services. The Australian Competition and Consumer Commission (ACCC) has been reviewing the proposed merger and is expected to release its decision soon. If the merger goes ahead, it would result in significant changes in the gambling industry, including the closure of duplicated facilities and a potential reduction in product options.