Ancient Roman architecture could penetrate through the clerestory windows. The oldest known basilica, the Basilica Porcia, was built in Rome in 184 BC by Cato the Elder during the time he was Censor. Other early examples include the basilica at Pompeii (late 2nd century BC). After Christianity became the official religion, the basilica shape was found appropriate for the first large public churches, with the attraction of avoiding reminiscences of the Greco-Roman temple form. The Roman circus was a large open-air venue used for public events in the ancient Roman Empire. The circuses were similar to the ancient Greek hippodromes, although circuses served
Mobile entertainment Segment 1 consists of intersection between mobile commerce and mobile entertainment, sitting on top of wireless telecommunication networks. In other words, mobile entertainment services in segment 1 must be a subset of mobile commerce, which involves exchanges of monetary value and interaction with service providers. Segment 2 covers mobile entertainment services which utilize wireless telecommunication networks, but do not incur a cost upon usage and do not interact with service providers. For example, one may play multiplayer mobile games with friends via Bluetooth. Segment 3 involves mobile entertainment which does not require wireless connection and transaction of an economic value.