Why can Wi-Fi calling connect when mobile signal is poor?
A weak signal does not always mean you have to step outside or move closer to a window to make a call. Your phone may be able to place the call through your internet connection instead.
What is the purpose of CAPTCHA when a website asks whether you are human?
CAPTCHA can interrupt you at the worst possible moment, but the check has a specific purpose. Knowing what it can test makes those traffic-light grids and tick boxes easier to understand.
What AARTO Phase 2 means if you get a traffic fine now
AARTO Phase 2 has reached more South African municipalities, which changes the process for motorists who receive infringement notices in those areas. Before paying, check where the fine came from and what response is available to you.
Digital ID without a smartphone? Here's what it means
Digital identity promises convenience, but convenience does not look the same for every South African. A closer look at the draft rules shows where physical ID cards still fit into the picture.
Can drones bring healthcare closer to rural South Africa?
South Africa has tested drones for blood and medical sample transport. The next step is proving whether the service can support rural patients beyond a demonstration flight.
Could a repairability score help South Africans buy appliances?
A low purchase price can lose its appeal when a minor fault leads to an expensive replacement. Repairability information could help you assess more than the amount shown on the shelf.
What you should know about facial recognition cameras in everyday places
Facial recognition has become part of daily life in many public and private spaces. Knowing when a camera is collecting biometric data is the first step towards understanding how that information may be used.