It is computer mediated. Mass media could not be the answer because before computers, there was still mass communication for almost 60 years prior than computers. The newspaper was a form of mass communication and that style is age old. Case in point, the answer is computer mediated.
Let us examine what these acts of worship are. Testimony (Shahadah) ... Formal Prayer (Salah) ... Charity (Zakah) ... Fasting (Saum) ... Pilgrimage (Hajj)