The server has been attacked!

Aliens are invading Earth!

UFOs are flying out all over the place!

Virgle went horribly, horribly wrong!

Lock up your fridges! That's their entry point!

Good luck... we hope you survive....

April Fools!

and how about Gmail's April Fools' joke, genius, eh? Duh! I thought it up and mailed it to them!