Going Wireless. A dirty little secret about 802.11b is that it can cover more than 20 kilometers with suitably directional antennas. Imagine reaching places that do not have sufficient commercial value to justify classic infrastructure. In these cases, the viral nature of unlicensed telecommunications becomes a major force of human development, transforming everything from education to entertainment, hospitals to hiring halls. And won't that make an astonishing splash. [Smart Mobs]