SBS News In Depth Folgen

A man is in a critical condition after the third shark attack at a Sydney beach in less than 48 hours. It follows attacks on Monday and Sunday, in which an 11 -year-old boy's surfboard was bitten by a shark and a 12-year-old boy was critically injured and remains in hospital.

SBS Finance Editor Ricardo Gonçalves speaks with David Bassanese from Betashares about Donald Trump's latest threats to try and purchase Greenland and finds out why it could backfire; plus the day on the sharemarket including a look at China's economy as its birthrate falls to a record low with David Walsh from Sarto Advisory Pty Ltd.

.The government's world-first social media ban has been in place for just over a month, coinciding with Australia's school holidays. There are conflicting perspectives between the government, social media experts and young people on how effectively the ban has been implemented so far. But with less or no access to social media, how are young people spending their spare time?