Australia will strengthen its social media ban for young people as a priority amid concerns the powers behind the world-first laws are not strong enough.Prime Minister Anthony Albanese has confirmed the federal government is considering tougher measures to check the "power" of the "unaccountable" tech giants behind popular social media platforms."There is more to do," he said in Question Time today.Since December, platforms including Instagram, Facebook, TikTok, Snapchat, YouTube, Twitch, Kick and X have been legally required to block and take reasonable steps to prevent young Australians signing up.Companies face fines of up to $49.5 million for failing to prevent...