Watch: Ex-Fair Go presenter gets door knocked

Lisa Lewis, a sex worker, is concerned about the increasing number of illegal underage and foreign sex workers advertising their trade in New Zealand. / Video by Brett Phibbs

How Alibaba is using technology to revolutionise the way consumers in China shop.

Australia's prime minister said the Australian navy has a "perfect right" to traverse the South China Sea after a media report on Friday that the Chinese navy had challenged three Australian warships in the hotly contested waterway. / AP