Explainer: what is 4G?
By Mark A Gregory, RMIT University
If you’re looking to buy a new smartphone or computer you’ve probably seen advertisements and offers for 4G-compatible devices. You might even own a 4G-compatible device already.
But just what is 4G? How does it compare to existing 3G networks? And what is the current availability of 4G networks in Australia?
Why data retention laws won’t work
Business Spectator 12 Septempber 2012
Attorney-General Nicola Roxon took an unusual step yesterday, launching a video on YouTube to put a new position on the proposed cyber-security and cyber-crime laws.
International roaming charges rip-off: the ITU gets involved ...
By Mark A Gregory, RMIT University
The International Telecommunications Union (ITU) has entered the debate about excessive international roaming charges by recommending measures that will improve consumer awareness and encourage operators to lower tariffs.
On September 14 in Geneva, ITU Secretary General Hamadoun I Touré said:
Hold off on 4G for now
Business Spectator 27 September 2012
By now everyone has read about the benefits of 4G-enabled smartphones including the iPhone 5 and Samsung Galaxy S3 4G.
The key change from 3G is the increased data connection speeds possible with 4G. Early adopters may achieve connection download speeds of more than 30 Mbps and upload speeds of more than 20 Mbps.
MOOC and you're out of a job: uni business models in danger
By Mark A Gregory, RMIT University
FUTURE OF HIGHER EDUCATION: The rise of online and blended learning and the development of free online courses is set to transform the higher education sector. We’ve asked our authors how to remake the university sector so it can best respond to this revolution.