My motto is “Your problem will be solved either by bringing problem to the solution or the solution to the problem”.
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I have helped my friends and acquaintances with new groundbreaking ideas
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I am answering this question with little details provided by the OP.
The funnest way which will work in almost everycase is - Show a situation either by a video or by an engaging anecdote to convey the utility you are catering to and how your product(which is a sticker in this case) will fill the void and make the process(here I guess its communication with greater expression of one’s feelings using stickers and text) easier and more interactive.
It will give them an impression that an actual challenge has been catered to. Moreover, it has been proven that an engaging presentation is more likely to yield a positive result vis a vis the purpose of it.
Hope it helps. Good Luck!