Mastodon, the decentralized, open social network with over 8 million accounts and nearly 700,000 monthly active users, is planning to introduce a new feature, called “Packs,” which will make it easier for newcomers to discover curated collections of users to follow. The idea is similar to a feature Bluesky, another open social platform, introduced last year. Starter packs are designed to address the “cold start” problem of joining new social networks. When you first sign up for an account on a n...