Verisign, a large web address company, is now the sole registry operator for TV through 2021. It paid Tuvalu US$5 million in 2015 in registry fees63, equal to 15% of the country's Gross Domestic Product.64 Today there are over half a million TV domains generating an estimated US$22 million a year. The island nation of Tuvalu is being kept afloat by its domain name."