One interesting question: If a make an app like discord or slack or whatsapp, where every day 100GB of messages are being sent, I shouldn't use typesense for that use case, or? I should rather have the chats cached on the client mobile Phone and then do the search on his mobile phone (that's the way WhatsApp is doing it), right?

I heard Slack actually uses Algolia for at least a portion of their search! They probably have several 128GB RAM Algolia clusters they use. So you can definitely use Typesense as well for use cases like that. It comes down to a question of cost and scale, since you'd have to choose clusters to hold all your data in RAM.

Time for slack to switch to Typesense too 🔥 It's since whatsapp exists client side search for costs reasons (since till Facebook aquired them they had only a few $$ of income through the subscription. Now Zucc makes big cash $$$$$$$ with analysing and selling our chat data, but they still use client side search because they don't want to lose any $ that would make the stock holders sad). Their end-to-end encryption today is still a Joke anyone can break it

Hahaha!