How to engage audience with real time content?

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4. Avoid the “tell and sell.”
Real-time is all about engagement, it’s not advertising. Resist the temptation to tell everyone how great a product is, and why they should buy now at the special introductory price! Don’t tell and sell; there’s no faster way to attract negative buzz and repel prospects. Keep the conversation light, unless the person engaging specifically asks for more information.

But people often say that they can promote their products in real time too. And not only that they also claim to have sells.