According the European Digital Rights association, the law's definition of social media is so broad that it would apply there as long as the service has 2 milli

According the European Digital Rights association, the law's definition of social media is so broad that it would apply there as long as the service has 2 million German users (the wording is not clear whether this number is active/registered/total users). The law's definition of social media - telemedia providers who operate commercial platforms that allow users to exchange or share any kind of content with other users or make such content accessible to other users (“Social Network”).