First there was 802.11b, the clunky technical name for the wireless technology that made Wi-Fi a must-have for laptops. Then came versions 802.11g and 802.11a. Letter "n" is coming. And back in the lab, the Wi-Fi wizards are working on "e," "r," "s" and "t."

The good thing is that nearly all current Wi-Fi products are interoperable and provide far more speed than most users need. Full Story...