In some SF shows, it seems that Earth can scarcely get through a week without being invaded by aliens. The trouble is, the aliens are running out of reasons to invade. All the usual ones, enslaving the population, plundering the planet's mineral wealth, fleeing your doomed homeworld, converting the planet into a weapon of cosmic destruction, they've all been done. I'd like to suggest some alternatives for interplanetary despots in search of new reasons to invade.
Bragging rightsThe guys back at home will be so jealous when they hear that we conquered Earth.
Turning the planet into a tourist resortBeautiful scenery, fascinating cultures: Buy a SpaceTimeshare ® on Earth today!
Conceptual ArtThis Happening challenges us to explore such themes as: What does it mean to be an alien? and Why do we really invade planets?
Dragées Those little silver coated sugar ballsused for decorating cakes. According to The Doctor, you can only get them on Earth. Have you any idea the price they fetch in Andromeda?