Tech companies are bracing themselves for an overhaul of internet rules later this year by EU regulators that are aimed at clarifying rules drafted two decades ago on illegal content, disinformation and advertising transparency. While Facebook founder and CEO, Mark Zuckerberg, has called for more regulation of big tech companies like Facebook, EU regulators have rejected Facebook's most recent proposals for how online content should be regulated, warning that the social media company will have to assume more responsibility for illegal material on its platforms.