Yes
Yup
The IPad 3 has a new retina display,4g internet, camera and many applications.
The original iPad is 13.4mm. The new iPad 2 is 8.8mm, so it is much thinner.
You can use an IPad 2 with no carrier at all if you only use the wireless internet with it or wifi. You can use AT&T or you can use Verizon or just wireless internet.
Yes, the new iPad still is usable with the Smart Cover.
The original iPad, just know as the iPad was first, then came the iPad 2. The latest model is known as New iPad. (not iPad 3 or iPad HD or ????).
you cant
unless you can get it from your internet from a stupid game.
No, because the new iPad has magnets and the older one doesn't.
the new ipad
no, only the New iPad (3rd generation) does.
same as the ipad 2