We're not sure if the world was anxiously awaiting a follow-up to LG's Optimus 3D (the AT&T Thrill 4G here in the states), but here it is: the LG Optimus Cube 3D. Only announced for Korean carrier SK Telecom so far, the Optimus 3D Cube is slightly thinner than its predecessor at 9.6mm vs. 10.9mm, a faster 1.2GHz dual-core CPU and 16GB of storage built-in, confirming most of the rumors we'd heard previously. According to LG, it will also be the world's first that can handle 3D photo and video editi