The Australian government has called for this investigation to be opened as part of broader media reforms, given the current concerns about journalism and the quality of news in the future.
In addition, these reforms are also made to address the issue of employee cutbacks by media companies due to reduced revenue and the proliferation of false news.
"We will determine whether those platforms have market power that harms consumers, advertisers and creators of media content," said Chairman of Australian Competition and Consumer Commission (ACCC) Rod Sims in an official statement.
The investigation will also study how Facebook and Google operate to fully understand their influence in Australia, "he said.