A senior TikTok executive has been rebuked by a parliamentary inquiry for saying she does not know the location of the tech giant's headquarters. Key points: The senate committee is identifying risks posed by foreign interference through social media The senate committee is identifying risks posed by foreign interference through social media TikTok executives said they don't know how many Australians have had their user data accessed by Chinese employees TikTok executives said they don't know how many Australians have had their user data accessed by Chinese employees They confirmed 'rogue employees' in China had accessed journalists' data Today, Senator...