That's what happened to a 7-year-old white Arabian named William, said Santa Barbara Harbor Patrol Officer Ryan Kelly.

CNN: Horse rescued after swimming 2 miles into ocean

Navigation will not likely be the most valuable service that the indoor version can provide, however, said Dan Ryan, co-founder and chief technology officer of ByteLight.

FORBES: Startup Targets Shoppers With LED-Based Indoor Navigation System

It follows Moscow's decision to expel US diplomat Ryan Fogle, who was accused of trying to recruit a Russian intelligence officer as a spy.

BBC: Russia reveals Moscow CIA station chief's identity