Angolans have started hiding pirated movies and music in Wikipedia articles and linking to them on closed Facebook groups, creating a free and clandestine file sharing network in a country where mobile internet data is extremely expensive. Angola's Wikipedia Pirates Are Exposing the Problems With Digital Colonialism." Not only is the existence of a competitive mobile market fundamental, so is the intensity of competition. Regulatory steps to create a more competitive mobile market will align prices more closely with costs and enhance affordability.