Scientifically substantiated, practice-oriented and up to date, this revised edition informs readers about the more recent trends in the field of internet addresses (domain names) and the law relating to the use of a name in the age of “social communities”. In the commentary on the law on missing persons, the more recent developments are addressed with regard to the terms: death and war; the terms consumer and company are also comprehensively explained. The presentation is completed by an introduction to legal comparison and the conflict of laws (Introductory Law to the German Civil Code (EGBGB), Rome I Regulation).