The winner was praised for her "natural flowing style" by the expert judging panel, chaired by professional viola player Brian Hawkins.

BBC: Ziya Shen

We go to great effort to learn how to read and calculate in school and then invest even more time and effort to learn professional skills, from evaluating market research to judging the success of a campaign.

FORBES: The Limits Of Big Data Marketing

It also warns against judging the credibility of a company or its sales people by how professional they or their promotional material seem.

BBC: NEWS | Business | Fresh warning on scam operators