The advent of Internet-connected school classrooms has given rise to new dangerous online threats, despite the fact that they have transformed the learning process in schools all over Australia, according to a new report.

Australians have spent $1.4 billion in international roaming fees, prompting a call from one of the country’s larger telcos for travellers to review their phone plans ahead of the businest period for overseas travel, and to take steps to help avoid roaming charges.

Wi-Fi networks will carry almost 60% of smartphone and tablet data traffic by 2019, reaching 115,000 petabytes – a projected four-fold increase compared to under 30,000 PB this year.