Duolingo has more to teach in terms of sales/marketing than language. Study them for the details, but the essence is this: sell people what they want to hear, w

Duolingo has more to teach in terms of sales/marketing than language. Study them for the details, but the essence is this: sell people what they want to hear, what they want to believe, not what actually is, not what actually might help them, they seldom buy truth anyway.