There was some discussion on techniques to get around that in this HN post about a messenger type product: https://news.ycombinator.com/item?id=37105477 https:

There was some discussion on techniques to get around that in this HN post about a messenger type product: https://news.ycombinator.com/item?id=37105477 https://news.ycombinator.com/item?id=37105477