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
Rdio best app and online interface, making database searching and playlist curation easy". Oi - On November 1, 2011, Rdio entered the Brazilian market by announcing a partnership with Oi, Brazil's largest telecommunications company, under the brand name Oi Rdio. Cumulus Media - On September 16, 2013, Cumulus Media announced a deal with Rdio that gave the second largest owner and operator of AM and FM radio stations in the United States an online outlet. This partnership gave Rdio broad access to its programming and promoted Rdio on Cumulus stations. Tesla Motors - On February 6, 2014, Tesla Motors’ CEO Elon