Hashtag marketing is a relatively young marketing discipline. People who master it don't only win over entirely new target groups and dominate niches. They also optimise their ranking on Google, and become more visible on platforms like Google+, Tumblr, Instagram, Pinterest, Vine or Twitter. The business consultant and expert for internet marketing, Sebastian Merz, supports companies together with his team, so they can use hashtags in order to reach more customers, gain a higher reputation, and visibility.