I really want to implement this, but i havent been able to figure out how to do it for Instagram (the only social media that is really relevant in my friend circle) and whatsapp/signal groups other than doing it manually. If anyone has tips, especially for Insta let me know...
Here's a tip: don't bother doing this. Go PESOS instead. One way to do it:
https://news.ycombinator.com/item?id=46482285