What options promotion projects are working most effectively today?

What options promotion projects are working most effectively today? And tomorrow? For example products with a free license or a paid product in the first place? In some cases, what is the best option to choose? Just please no trolls, certainly meant a quality product, it's all theory.
July 8th 19 at 11:50
1 answer
July 8th 19 at 11:52
Well, let's not trolling, every product has its own specifics, for some it is porn reserach will give the maximum profit.
So I open 3-4 articles, listing methods, and it, theoretically, see some closer to your audience.

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