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First it administered crowdsourced surveys and its Feed Quality Program where it asks users to rank the stories they see by how relevant, entertaining, and informative they are on a scale of 1 (really not informative) to 5 (really informative). It took posts with 4s and 5s on informativeness and fed them into its predictive model to teach it what to look for. All these signals are combined with the existing machine learning algorithms Facebook uses to scan the content of posts you engage with to identify topics they care about..

The controversy over whether homeopathic treatments ‘really’ work and whether they should be available through the NHS has generated much debate: at the heart of the controversy are questions about the nature of evidence in medicine, the validity of randomised trials and the nature and utility of ‘placebo effects’. Critics of homeopathy put forward the simple argument that best available evidence shows homeopathic treatments to be equivalent to placebo, and therefore conclude that it should not be available through publically funded healthcare.This thesis presents a critical examination of the concepts of EBM and ‘placebos’ and re evaluates their role in the controversy around homeopathy. This thesis examines what kind of foundation the EBM philosophy of evidence provides for the arguments made in the controversy, and the role that ‘placebos’ play as both an evidential and normative standard.There are two basic arguments: first, that the arguments justifying the EBM philosophy of evidence are fundamentally unclear, but also that the interpretation given to EBM, in debates about homeopathy, cannot be sustained.

The regulation of online content in the United States is a complicated topic evoking concerns about censorship and decision making power. Online health information is an area where steps have been taken to inform or protect users in content areas challenged by mis and disinformation, such as COVID 19 misinformation regulation on YouTube and Twitter’s labeling and removal of misleading vaccine related tweets through Birdwatch. For abortion information in which lack of education and accessible in person services are also concerns the need to address online disinformation is urgent, as it poses a notable threat to informed reproductive choices and population health..

The province has received enough of the vaccine to give 3.4 per cent of its population a single dose. The province has used 89.07 per cent of its available vaccine supply. Ontario is reporting 12,462 new vaccinations administered for a total of 398,633 doses given.

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