This study describes the state of the Internet in Arab countries. It reports certain Internet characteristics and e-commerce issues in the region and brings some of the critical challenges facing the diffusion of the Internet and its applications in Arab countries to the attention of policy makers in these nations. Overall, the review reveals that most Arab countries still have a long way to co...

Combining very-high-spatial resolution (<1 m) and the ability to provide stereo-pairs for 3D topographic reconstructions, Pleiades satellites offer great potential large-scale high-resolution studies in geosciences. In parallel, research-dedicated Virtual Reality (VR) applications are emerging based on high-quality data. We examined of a VR application derived from very-high-resolution imagery ...