Most modern applications have them. It’s how they build stable applications and determine what needs to be fixed on the user experience side.
Discussion
nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq8ams6ewn5aj2n3wt2qawzglx9mr4nzksxhvrdc4gzrecw7n5tvjqy2skwz nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqyzvxlwp7wawed5vgefwfmugvumtp8c8t0etk3g8sky4n0ndvyxes08j2rh nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqx0r5gflnk2mn6h3c70nvnywpy2j46gzqwg6k7uw6fxswyz0md9qq0kp50y nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqlwsmhk9t2le9see32l006khunnk6qpxxs30enke3d8lykcd6wstq9f4y79 so what you're saying is you don't actually give a shit about real privacy and decoupling from large companies, not surprising from the guy who added pronouns to nostr
