The Magic DNS feature is super cool as well. I'm not sure exactly what the mainstream killer app would be. But I feel like Tailscale is poised to execute if/when it arises.

Perhaps the AI age makes everyone more data privacy conscious.

I've also long thought that eventually every household will eventually have a mini server for home automation and storing personal information. The rise of the cloud kinda slowed this down, but I don't think cloud and home server are mutually exclusive.