Streamers can Gift one sub a month for free
The idea is to allow Streamers to award a single tier 1 Subscription per month for Free with no monetary cost or pay out for the streamer.
This would allow followers to make use of the chat emotes, stop pre-roll adds and even allow them to use sub only chat for one month.
After the month is up, the recipient may be more inclined to pay out for a sub in order to keep the Emotes and to stop Adds.
Streamers could use these Free subs as Prizes after hitting a new goal or rewards to returning viewers or just plain randomly gifting someone the chance to be a sub for free.
I think this would increase interest in subbing in the future and help to promote smaller streamers.

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leftclickleft commented
I like this idea! I'd definitely be up for it - in a past life, I ran a business and free samples were definitely a thing that helped me to grow.
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GruftieMoose commented
That gift sub would usually just go to the bot, but that is also okay.