Friday's poker guide explains how Omaha 8 is played and the particular dynamics that make it unique.
"Have you ever played Omaha 8? While No Limit Texas Hold’em gets most of the attention and by far the greatest number of players, there are a number of reasons to consider playing other forms of poker. With so much literature and resources available to the NLHE player, it has become a very competitive game. Players have improved dramatically over the last few years. Considering a game like Omaha 8 can introduce a different playing field with different rules where you can excel against a lesser experienced playing crowd."
The article can be found in the beginner guides sub section of poker guides area of the poker section in the sub tabs.