Apple iWatch rumours, release dates and specification speculation abounds. Is this what Apple's iWatch will look like? Only Cupertino really knows for sure, but there's no shortage of ideas. But what is all this working towards. Why would Apple release a watch is a question nobody seems to have an answer to.Related StoriesGoogle shows Glass apps and audio at SXSWIDC: Android, iOS benefit from tablet sales surge - but not Windows 8
