In 2020, Millicom partnered with UNICEF to protect children's rights, later renewing the partnership to cover child online protection, and as virtual education gained prominence during the COVID-19 global pandemic. In 2017, Millicom's TIGO brand is ranked among the top 25 multinational companies to work for in Latin America, across all industries, obtaining the 20th place in the 2017 Great Place to Work (GPTW) survey. In 2017, Millicom launched TIGO ONEtv, the first Next Generation TV (NGTV) service for LATAM customers, integrating traditional linear television content with over-the-top platforms, as well as video on-demand. In 2018, Millicom acquired Cable Onda and debuted in Panama. In 2019, Millicom expanded its Latin American presence, acquiring subsidiaries of Telefónica in Central America (Panama and Nicaragua). In addition, in 2019, Millicom common shares started trading on the NASDAQ Stock Market in the United States under the symbol TIGO. The new listing complemented the company's existing Swedish Depository Receipt (SDR) listing on NASDAQ Stockholm. In 2020, Millicom celebrated 30 years of bringing connectivity where it is most needed.