The spread of the novel coronavirus around the world has been unprecedented and rapid. In response, tech companies have scrambled to ensure their services are still available to their users, while also transitioning thousands of their employees to teleworking. However, due to privacy and security concerns, social media companies have been unable to transition all of their content moderators to remote work. As a result, they have become more reliant on artificial intelligence to make content moderation decisions. Facebook and YouTube admitted as much in their public announcements over the last couple of months, and Twitter appears to be taking a similar tack. This new sustained reliance on AI due to the coronavirus crisis is concerning as it has significant and ongoing consequences for the free expression rights of online users.
The broad use of AI for content moderation is troubling because in many cases, these automated tools have been found to be inaccurate. This is partly because there is a lack of diversity in the training samples that algorithmic models are trained on. In addition, human speech is fluid, and intention is important. That makes it difficult to train an algorithm to detect nuances in speech, like a human would. Also, context is important when moderating content. Researchers have documented instances in which automated content moderation tools on platforms such as YouTube mistakenly categorized videos posted by NGOs documenting human rights abuses by ISIS in Syria as extremist content and removed them. It was well-documented even before the current pandemic: Without a human in the loop, these tools are often unable to accurately understand and make decisions on speech-related cases across different languages, communities, regions, contexts, and cultures. The use of AI-only content moderation compounds the problem.
Internet platforms have recognized the risks that the reliance on AI poses to online speech during this period, and have warned users that they should expect more mistakes related to content moderation, particularly related to “false positives”, which is content that is removed or prevented from being shared despite not actually violating a platform’s policy. These statements, however, conflict with some platforms’ defenses of their automated tools, which they have argued only remove content if they are highly confident the content violates the platform’s policies. For example, Facebook’s automated system threatened to ban the organizers of a group working to hand-sew masks on the platform from commenting or posting. The system also flagged that the group could be deleted altogether. More problematic yet, YouTube’s automated system has been unable to detect and remove a significant number of videos advertising overpriced face masks and fraudulent vaccines and cures. These AI-driven errors underscore the importance of keeping a human in the loop when making content-related decisions.
During the current shift toward increased automated moderation, platforms like Twitter and Facebook have also shared that they will be triaging and prioritizing takedowns of certain categories of content, including COVID-19-related misinformation and disinformation. Facebook has also specifically listed that it will prioritize takedown of content that could pose imminent threat or harm to users, such as content related to child safety, suicide and self-injury, and terrorism, and that human review of these high-priority categories of content has been transitioned to some full-time employees. However, Facebook shared that due to this prioritization approach, reports in other categories of content that are not reviewed within 48 hours of being reported are automatically closed, meaning the content is left up. This could result in a significant amount of harmful content remaining on the platform.
In addition to expanding the use of AI for moderating content, some companies have also responded to strains on capacity by rolling back their appeals processes, compounding the threat to free expression. Facebook, for example, no longer enables users to appeal moderation decisions. Rather, users can now indicate that they disagree with a decision, and Facebook merely collects this data for future analysis. YouTube and Twitter still offer appeals processes, although YouTube shared that given resource constraints, users will see delays. Timely appeals processes serve as a vital mechanism for users to gain redress when their content is erroneously removed, and given that users have been told to expect more mistakes during this period, the lack of a meaningful remedy process is a significant blow to users’ free expression rights.
Further, during this period, companies such as Facebook have decided to rely more heavily on automated tools to screen and review advertisements, which has proven a challenging process as companies have introduced policies to prevent advertisers and sellers from profiting off of public fears related to the pandemic and from selling bogus items. For example, CNBC found fraudulent ads for face masks on Google that promised protection against the virus and claimed they were “government approved to block up to 95% of airborne viruses and bacteria. Limited Stock.” This raises concerns about whether these automated tools are robust enough to catch harmful content and about what the consequences are of harmful ads slipping through the cracks.
Issues of online content governance and online free expression have never been more important. Billions of individuals are now confined to their homes and are relying on the internet to connect with others and access vital information. Errors in moderation caused by automated tools could result in the removal of non-violating, authoritative, or important information, thus preventing users from expressing themselves and accessing legitimate information during a crisis. In addition, as the volume of information available online has grown during this time period, so has the amount of misinformation and disinformation. This has magnified the need for responsible and effective moderation that can identify and remove harmful content.
The proliferation of COVID-19 has sparked a crisis, and tech companies, like the rest of us, have had to adjust and respond quickly without advanced notice. But there are lessons we can extract from what is happening right now. Policymakers and companies have continuously touted automated tools as a silver bullet solution to online content governance problems, despite pushback from civil society groups. As companies rely more on algorithmic decision-making during this time, these civil society groups should work to document specific examples of the limitations of these automated tools in order to understand the need for increased involvement of humans in the future.
In addition, companies should use this time to identify best practices and failures in the content governance space and to devise a rights-respecting crisis response plan for future crises. It is understandable that there will be some unfortunate lapses in remedies and resources available to users during this unprecedented time. But companies should ensure these emergency responses are limited to the duration of this public health crisis and do not become the norm.
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