@Gargron Of course it depends what you want to highlight... The key features of Mastodon is that it is decentralized and anyone can start their own Mastodon instance. It is private. No ads. No trackers. No business model. Federated.

Anyways, I'll throw my fast 2c:

Share your thoughts, not your data.
Send your thoughts, not your data.
You talk, we don't listen. Only your friends do.
We give you a voice, you choose your platform.