Spotify connected to television streaming services, including Netflix and HBO Go, that recommends content to users. Spotify will mainly be using MightyTV to improve its advertising efforts on the free tier of service. In April 2017, Spotify acquired Mediachain, a blockchain startup with several technologies that can aid Spotify's effort in connecting artists and rights-holders with the tracks on its service. In May 2017, Spotify acquired artificial intelligence startup Niland, and will use its technology to improve its personalisation and recommendation features for users. In November 2017, Spotify acquired SoundTrap, an online music studio startup. On April 12, 2018, Spotify acquired
Public Services International a Hungarian, a Swede and a Swiss met in the Stuttgart trade union building for the First Congress of Public Services International. PSI is involved in the movement against privatisation of public services by corporations across the world. PSI also works against tax evasion by multinational corporations and is a founding member of the International Commission for the Reform of International Corporate Taxation. PSI's pro-worker stance has put it at odds with the WTO, World Bank and IMF who predominantly promote market solutions. PSI works in partnership with affiliate trade unions, other Global Union Federations and NGOs such as the