Aside from being a central information and alert system, Twitter also provides a platform for the narratives of those personally affected by disasters or outbreaks, which is useful when it comes to humanitarian assistance and support.
Browsing: The Conversation
South Africa is ranked 19 out of 46 countries on the RIA African Mobile Pricing (RAMP) Index. The prices of the first-entrant operators – MTN and Vodacom – remain high relative to Cell C and Telkom Mobile, which dropped their prices in the first half of last year.
“Atomaterials” is short for “atomic materials”, so called because their properties depend on the precise configuration of their atoms. It is a new but rapidly developing field.
Like quantum computing, quantum communication records information in what are known as qubits, similar to the way digital systems use bits and bytes. Whereas a bit can only take the value of zero or one, a qubit can also use the principles of quantum physics to take the value of zero and one at the same time.
While Facebook and Twitter host a broad range of user activities, a study asked, what does off-label use look like on an app like Tinder, which has an articulated label? Further, how does off-label use play out when other users expect that the app has fixed purposes?
These four altcoins are the largest cryptocurrencies on the market after bitcoin, representing an aggregate US$51 billion market capitalisation (the value of each coin multiplied by the number of coins on the market). This is still fairly small compared with bitcoin’s US$178 billion market cap, but clearly the gap has been narrowing.
Mobility technology is more than just autonomous vehicles, ride hailing and e-scooters and e-bikes. It also includes: electrification (electric vehicles, charging/batteries); fleet management and connectivity (connectivity, data management, cybersecurity, parking, fleet management); auto commerce (car sharing); transportation logistics (freight, last-mile delivery); and urban air mobility.
Technological changes have fuelled a substantial new private policing sector that includes commercial companies but also online vigilantes. This change is comparable to the “quiet revolution” seen in the 1970s when conventional private policing, particularly the use of uniformed security officers, emerged on an industrial scale.
Snapchat has announced a new feature called “Here For You” that promises to “provide proactive in-app support to Snapchatters who may be experiencing a mental health or emotional crisis”.
The popular youth-oriented app is the latest to join a wave of social media platforms setting out to monitor and improve the well-being of their users.
SpaceX’s new satellites have the potential to revolutionise many aspects of everyday life – from bringing internet access to remote corners of the globe to monitoring the environment and improving global navigation systems. Amid all the fanfare, a critical danger has flown under the radar: the lack of cybersecurity standards and regulations for commercial satellites, in the U.S. and internationally