Quelle: https://blog.red-website-design.co.uk/2017/01/10/32-stats-guide-social-media-marketing-strategy-2017-infographic/ und http://www.wordstream.com/blog/ws/2017/01/05/social-media-marketing-statisticsEin Service von DocGoy und http://Twitt-Erfolg.de
Quelle: https://blog.red-website-design.co.uk/2017/01/10/32-stats-guide-social-media-marketing-strategy-2017-infographic/ und http://www.wordstream.com/blog/ws/2017/01/05/social-media-marketing-statisticsEin Service von DocGoy und http://Twitt-Erfolg.de