One free Glo-Stick® IOotFS condom to the first person — male, female or otherwise — to think of a practical, non-military and non-surveillance use for invisibility that would generate enough profit to make this fiasco attractive to greedy corporate pigs.
Anyway, yeah, invisibility...
Invisibility cloak is latest amazing ‘metamaterial'
Scientists Create Cloak of Invisibility
I think I'd like to like the future to stop now, please.