Zattoo in Germany says that it has introduced server-based dynamic ad insertion, providing TV broadcasters and advertisers with a chance to adopt the rapidly emerging programmatic advertising systems which are sweeping across Europe. The key words here are “server-based” as this is really a form of MPEG stitching which drops appropriate advertising into each stream, so that it is part of the video stream, indistinguishable from the content, when viewed by ad blockers and it does not call adverts from a remote site. Ad blockers mostly prevent these calls for adverts. The service has launched with advertising sales from Sport1 Media which will be cut into one of the more highly sought after live sports streams. Also, being server side…