2000s in the music industry Inc.), who surpassed Wal-Mart to become the US’s largest music retailer in April 2008. Sector leaders include: Many hundreds more stores operate worldwide, often prominent only in particular countries or specialist genres. A third kind of operator never retails directly to the public, instead offering branded whitelabel stores and portals for organisations including bricks-and-mortar music stores, mobile telephony operators and ISPs. Some services which initially only offered streaming of tracks now also offer a-la-carte downloads, either through third parties (e.g. Spotify) or fully integrated (Deezer, Juno Digital, Rhapsody etc.). In 2009 "Rolling Stone" reported a price war between iTunes and
Electricity sector in Venezuela and ENELVEN-ENELCO. Oficina de Operacion de Sistema Interconectados (OPSIS), jointly owned by the four vertical integrated electric companies, operate the SIN under an RTPA regime. Electricity sector in Venezuela The electricity sector in Venezuela is one of the few in the world to rely primarily on hydroelectricity, which accounted for 64% in 2015 (71% in 2004). In 2015, the total of electricity production reaches 117 TWh, of which 64% comes from hydro, 19% from gas and 17% from oil. Losses however are uncommonly high, reaching 34% of production. In 2015, Venezuela produced 75 TWh of hydropower, which accounts 1.9% of