Mastodon , the open, decentralized alternative to Big Tech apps like X and Threads, is betting that email could help solve the open social web’s biggest problem: audience growth. With the software’s latest release, the social networking platform is introducing email newsletters, a feature that will allow writers to send their posts directly to subscribers’ inboxes, even if those subscribers don’t have or want a Mastodon account. The feature could allow Mastodon to evolve beyond being just