ADD is an understatement

I have a hard time sticking with a single MMO. WoW is probably the one I have stuck with the longest - and no matter how hard I try to kick the habit, I keep coming back. The new 3.1 patch brought some cool stuff and right now I am eager to get my Shaman leveled up to 80 (he's 75 right now).

I went to Vegas at the end of March and then have been sick all this week. Not fun at all - though Vegas was a blast.

I have not played EQ, EQ2, VG or DFO since I have returned. I have only played WoW.

What is it about WoW that captures the interest of so many, and is able to retain them? What are your thoughts? My personal opinion is that it's an easy game to pick up and it's an easy game to get back in to. Blizzard is also pretty good about releasing solid, interesting game updates.

So why does the Warcrack keep people addicted?