(Telecompaper) 3 Sweden announced it will start offering free data traffic for music streaming services. The offer gives all postpaid consumer and business customers free data for Spotify, Deezer and Tidal over mobile or broadband plans, starting 31 August. The mobile operator said that 75 percent of Swedes listen to streaming music and 35 percent use the services daily. 3 will consider adding other music services to the offer in future. It also started an advertising campaign to promote the new music offer.