Alexa has announced that they will be overhauling their ranking system.
Apparently they’re not going to rely so heavily on the use of the Alexa Toolbar (which wasn’t terribly fair to begin with)
Your Alexa Rankings prior to…. now aren’t wrong, they’re just different.
According to TechCrunch some sites’ rankings have changed. TechBurgh, however, hasn’t moved from it’s PR4… yet.