What's the new powerful Auction House system in Diablo 3?

Diablo 3 is going to change the gaming world with its dual-money Auction House for sure. Diablo 3 items can be bought and sold using both in-game gold and real-world cash. Here are some interesting aspects of the new system:

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The easier way to trade – You can find a lot of new random items and sell easily through the Auction House. You could post about stuff you want other players to buy. In fact, everything in Diablo 3 – including gold – is exchangeable with fellow gamers through the Auction House. For example, maybe a witch doctor finds a powerful axe that is best for the barbarian. In previous editions you could sell the axe to a vendor in the game but now you can list your axe up for sale for other players to buy it at the 'right price'. A vendor might just melt the axe but a barbarian would understand the true value of the axe.

SEARCH FUNCTIONALITY
A smart search has been integrated into the Auction House which auto-sorts items best suited to your character. In fact, the best-gear search can be performed for different characters without logging off.

DUAL MONEY
Gamers can use both in-game gold and real-world cash in the dynamic world of Diablo 3. The use of currency is going to be optional and the option can be used on an item-to-item basis. The direct player-to-player trading is also going to work for both currencies. Blizzard would not post any items for sale and would only earn from subscriptions.

SAFE AND SECURE
Blizzard is putting in place a safe method for currency exchange and other transactions of money. The system protects gamers from scams and hack attacks which are usually associated with third-party websites serving as a conduit to the currency transaction.

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Some gamers have expressed the fear that the dual-auction house system might encourage gambling and even get the game banned in some countries. However, some gamers say the dual-money system adds to the excitement of the game. The Diablo 3 currency exchange rate is not regulated by Blizzard and would fluctuate faster and to great extents.