The UK’s comms watchdog has put forward four methods of checking netizens aren't kids – dubbed highly effective age assurance (HEAA) – as it prepares for the proposed under-16 social media ban. The regulator says some adults may not need to prove their over-16-ness to social media platforms that will make inferences about their age based on previous activity, but confirmed that "many" are likely to have to undergo the same verification process. Big Brother Watch's (BBW) Director Silkie Carlo said: "This plan for a government 'social media ban' is a national ID system by the back door. Both the government and Ofcom have admitted that children will get around the ban, which means the real effect will be normalizing adults and children alike to handing over their passports just to get…