Edward C. Baig, USA TODAY

The big reveal is here: Apple has introduced an iPad Mini. The new pencil-thin (7.2mm) iPad mini, comes a mere half-year after the third generation iPad was introduced. Apple says it is as light as a pad of paper.

So is it different? Apple says it is not merely a shrunken down iPad. It has a 7.9-inch screen, measured diagonally (versus 9.7-inches for the larger iPad). That's larger of course than the 7-inch screens screens on the Kindle or Nexus 7. The new screen has resolution of 1024 by 768 screen so all software created for previous iPads will work.

The iPad mini is made of aluminum, as opposed to the plastic that the Nexus is made of. Though they had to expect it, I imagine there's an uncomfortable feeling circulating through the executive offices at Amazon and Google.

The new iPad has a dual-core A5 chip. It has FaceTime HD, and a 5MP iSight camera. It has fast LTE wireless as the bigger iPads, and faster Wi-Fi too. And it has the inevitable Lightening connector (bad news for those of you with lots of iPad accessories based on the prior dock connector).