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
Slacker Attempts to track down such evaders were called "slacker raids". During World War I, U.S. Senator Miles Poindexter discussed whether inquiries "to separate the cowards and the slackers from those who had not violated the draft" had been managed properly. A "San Francisco Chronicle" headline on 7 September 1918, read: "Slacker is Doused in Barrel of Paint". The term was also used during the World War II period in the United States. In 1940, "Time" quoted the U.S. Army on managing the military draft efficiently: "War is not going to wait while every slacker resorts to endless appeals." The shift