The use of body-worn cameras by police forces around the world is spreading quickly. The resulting mobile and ubiquitous surveillance is often marketed as an instrument for accountability and an effective way of reducing violence, discrimination or corruption. It also involves remarkable potential for intrusion into the privacy of both individuals and police agents. We analyse the deployment of police body-worn cameras in five countries, investigate their suitability as an accountability tool given the associated privacy threats, and discuss the societal impact of their deployment as well as the risk of function creep.

Abstract. The concept of Privacy by Design (PbD) is a vision for creating dataprocessing environments in a way that respects privacy and data protection in the design of products and processes from the start. PbD has been inspired by and elaborated in different disciplines (especially law and computer science). Developments have taken place in research and policy, with the General Data Protection Regulation to be adopted by the European Parliament in 2016 and to enter into force in 2018. It is now time to use the results for practical guidance on how to achieve the goals defined by the legislation. In this paper, we summarise lessons learned from the special session on Multidisciplinary Aspects of PbD organised at the Annual Privacy Forum 2015. In particular, we identify important current and future implementation challenges of PbD. These are: terminology, legal compliance, different disciplines' understandings, the role of the data protection officer, the involvement of all stakeholders, and education. We conclude by emphasising the importance of approaching PbD in an interdisciplinary way.

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Abstract. The present paper examines privacy settings in Social Networking Sites (SNS) and their default state from the legal point of view. The analysis will be conducted on the example of Facebook as one of the most popular -and controversial-SNS and one of the most active providers constantly amending its privacy settings. The paper will first present the notion of privacy settings and will explain how they can contribute to protecting the privacy of the user. Further on, this paper will discuss the general concerns expressed by users and data protection authorities worldwide with regard to the changes of Facebook's privacy settings introduced in February 2010. Focus will be put on the implementation of the fairness principle in SNS. This principle implies that a person is not unduly pressured into supplying his data to a data controller, and on the other hand that the processing of personal data is transparent for the data subject.