One might think sending messages to other stars would be a massive, expensive job. No. It isn’t. The Cosmic Call was essentially a crowdfunded hobby project.
Investigating the options for off-world backups.
Data is only as safe as the planet it sits on. It only takes one rock, not too big, not moving that fast, to hit the Earth at a certain angle and: WHAM! Most living species are done for.
How the hell is your Twitter archive supposed to survive that?
The search for Dyson spheres.