Agree, for Nostr to grow or make it more popular, some business models need to be explored. For Nostr, this is a relatively early stage, and many problems need to be solved through donations and sharing of basic technologies. Just like the early computer operating system, but later still need to Nostr platform can appear on the sustainable profit of the product, so as to comply with the economic law, the platform can continue to develop. Because we can't always rely on jack's donations to serve hundreds of millions of users.