Deezer Deezer Deezer is an Internet-based music streaming service. It allows users to listen to music content from record labels including Sony Music, Universal Music Group, and Warner Music Group on various devices online or offline. Created in Paris, France, Deezer currently has 53 million licensed tracks in its library, with over 30,000 radio channels, 14 million monthly active users, and 6 million paid subscribers as of 3 April 2018. The service is available for Web, Android, iOS, Windows Mobile, BlackBerry OS and Windows, MacOS. In 2006, Daniel Marhely developed the first version of Deezer, called Blogmusik, in Paris. Its idea
Tidal barrage general change in the ecosystem. Tidal fences and turbines, if constructed properly, pose less environmental threats than tidal barrages. Tidal fences and turbines, like tidal stream generators, rely entirely on the kinetic motion of the tidal currents and do not use dams or barrages to block channels or estuarine mouths. Unlike barrages, tidal fences do not interrupt fish migration or alter hydrology, thus these options offer energy generating capacity without dire environmental impacts. Tidal fences and turbines can have varying environmental impacts depending on whether or not fences and turbines are constructed with regard to the environment. The main environmental