In this interesting post George Ou laments the lack of 802.11a uptake, and blames optimistic hype around 802.11n - it's a very good summary of the history of unlicensed bandwidth WiFi.
802.11n - The consequences of abandoning the 5 GHz frontier by ZDNet's George Ou -- When 802.11b first started getting popular in late 2000, no one imagined that it would still be the most dominant standard 6 years later and continue to dictate the design of the latest wireless LAN products because it is the lowest common denominator. As with any technology that is first to reach critical mass, it [...]Posted by mofoghlu at January 28, 2007 10:38 AM