With the assistance of a phalanx of sociologists, it persuaded 160,000 people to answer a questionnaire about incomes and interests.

Users answer a questionnaire that matches them with three wealth managers they can speak to at an agreed time.

Founders must answer a questionnaire to check that their app meets certain criteria before it can be listed.

Participants are first required to answer a questionnaire after which a selected number would be called upon stage, and asked framed questions in front of a large audience.

Of 59 people who answered the questionnaire, 11 regularly shared towels, six shared razors, three shared clothing and 22 used a cold bath after training.