Yeah many things can be handled by Nostr. nostr:nprofile1qyt8wumn8ghj7un9d3shjtnswf5k6ctv9ehx2aqpp4mhxue69uhkummn9ekx7mqpr9mhxue69uhhq7tjv9kkjepwve5kzar2v9nzucm0d5q3vamnwvaz7tmfw3582un5wdmksetwd9czuet9qqszmc8l5zkzxhl5t7jvew2ye5ln8aul7hfplnu47q0ej5ttk6ah9nqzhjcpc and I made an overview of Big Tech alternatives available by Nostr clients https://noalt.app/