New leadership prompts fears the Open Technology Fund could be used solely to promote anti Communist Party sentiment in China.

What is TikTok? And why are politicians concerned about its use?

The new Instagram feature has been released in 50 countries, including Australia, and will let users record and edit 15-second videos with audio, and will let users add visual effects.

A Microsoft acquisition of TikTok would resolve many of Australia's security concerns about the social media platform, say government MPs and investors.

The talks come as TikTok's ownership by a Chinese company is under scrutiny from the White House and politicians.