Prof. Wojciech Cellary attended The 35th International Data Protection and Privacy Commissioners Conference, which took place in Warsaw from September 23 to September 26, 2013. The conference consists of two events: a Closed Session (only for commissioners) and an Open Session, which consists of two days of meetings, both in plenary and break out sessions. Prof. Cellary served as a Program Committee member of the conference, he also chaired III Session entitled "Privacy and Technology". He gave an introducing lecture "Privacy in Light of Future IT Technologies”. In the panel discussion participated also: Julie Brill, (Commissioner of Federal Trade Commission, USA), Billy Hawkes (Irish Data Protection Commissioner), David Hoffman (Director of Security Policy and Global Privacy Officer at Intel Corporation, USA)and Christina Peters (Chief Privacy Officer, IBM Corporation, USA).