iGaming Business – Spanish media giant Marca has utilised its partnership with social sports betting technology provider Oddslife to enter into the social gaming market. Marca has used the Oddslife platform to launch ‘Marca El Guru’, a customised social sportsbook platform that enables users to engage and compete with each other using their knowledge of sport. As part of the arrangement, Oddslife has added a number of new devices and features to help motivate users and increase engagement. Additional features include missions, profile badges, virtual trophies and memorable sports moments. Users can use a single sign-on to access the platform…