Based on the research described above, the government should publish conclusions on the level and nature of harm that these platforms promote through their recommendation systems. Following our Principle 3, if significant harm is found, the responsible online services should publish the actions they will take to address these harms. Ofcom should be given the power to serve penalty notices to services that fail to comply, either 10% of the company’s worldwide revenue, or £18 million, whichever is higher. (Recommendation, Paragraph 30) 54