Interruptive, annoying advertising is over. It is now safe to go online again.

Science can explain how plants grow. It can demonstrate why astronauts experience microgravity in space. Science shows how bodies react to water and why our emotions fluctuate in certain weather conditions. Similarly, when it comes to the examination of large data sets, we are able to put our trust in science.

The issue of mobile call prices in South Africa is a hot topic for discussion, with few mobile users ever saying they are completely satisfied with the cost of their calls. But could voice prices be slashed when calls are carried over data? Mobile company AppChat plans to do just that, promising reduced mobile call rates once its services are launched.

Your video is loading. An ad starts playing. It feels like spam, you turn the sound off and check another webpage. Another typical scenario for users, which begs the question – how can online video publishers receive revenue when advertisers see no point in advertising to an audience who doesn't care?