Indoor navigation—the use of sensors and various local radio signals to help smart phones figure out where they are inside a mall, hotel, museum, or other large building—started getting very interesting last year, when a number of consumer electronics and communications companies joined forces to start working on an indoor navigation standard. Apple was not part of that group; in the fall the company launched its own general navigation software that didn’t include an indoor component. Probably a good thing, given all the other bugs in that software that Apple had to deal with. [Read More]