WiFi, you’ve come a long way, baby. Since those groovy days of plain ‘ol 802.11, to your first single-letter designation, all the way up to your latest 802.11n ratification you’ve gotten faster, broader, and almost everywhere. Best of all, you’ve still got room to grow.
The rest is here:
IEEE will push next 802.11 to 1Gbps speeds, two-letter designations in 2012