There are a variety of rumors around Apple iWatch. But according to Bloomberg,  Apple's smart watch is expected to be on sale at the end of this year.It is reported that iWatch might have phone and location tracking capabilities, it will also have a built-in pedometer and some health monitoring sensors.Previously Apple supplier and Gorilla Glass manufacturer Corning said that iWatch would be available only after at least 3 years. But recently Apple retained some iWatch related patents, it may mean iWatch is really coming to us.Bloomberg also pointed out that the chief designer of Apple Jo...