Wi-Fi hotspots are increasingly being aggregated together to form rudimentary, patchwork, nationwide wireless networks. However, some of the companies that are doing the actual work of aggregating those hotspots, including iPass, Boingo and Towerstream, don't have much to show for their efforts--at least, not yet. In its latest special report, FierceWirelessTech takes a look at the business models for these aggregators and assesses their profitability as the overall Wi-Fi market keeps expanding. You can read the report here.
