Positive development of audio-visual advertising in 2019, serious impact on the advertising market by Corona in 2020 – VAUNET https://vau.net/pressemeldungen/positive-development-of-audio-visual-advertising-in-2019-serious-impact-on-the-advertising-market-by-corona-in-2020/
year – this can be seen from the advertising statistics of VAUNET Verband Privater Medien
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