With inflation under much better control, floating exchange rates (China is a big exception) and well-stocked foreign-exchange reserves now dominate in the emerging world, providing protection against falling exports and flighty foreign investors.

ECONOMIST: Emerging markets

There were a number of different groups floating around in Iraq that were not under our control, and we didn't want them clashing in a way that could interfere with our operations.

CENTERFORSECURITYPOLICY: DOD Briefing on Intelligence Matters

We all have various identities floating around out there, with their own avatars, icons and passwords, only partially under our own control.

FORBES: Instagram and the Facebook Revulsion Effect