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 Future" in which James Tolkan's character Mr. Strickland chronically refers to Marty McFly, his father George McFly, Biff Tannen, and a group of teenage delinquents in "Part II" as "slackers". It gained subsequent exposure from the 1989 Superchunk single "Slack Motherfucker", and the 1990 film "Slacker". The television series "Rox" has been noted for its "depiction of the slacker lifestyle ... of the early '90s". "Slacker" became widely used in the 1990s to refer to a type of apathetic youth who were cynical and uninterested in political or social causes and as a stereotype for members of Generation X. Richard