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crwdns2933797:0David Hodsoncrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 David Hodson

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[* black] A blemish on the smooth back of the new iMac appears to be a result of the thinner design.
- [* black] Our preliminary guess is that the thinner size means less internal cooling, calling for the external ventilation slits cut into the rear aluminum casing.
+[* black] Since there wasn't enough room for cooling vents along the bottom of the iMac, as in previous generations, cool outside air is drawn in through a vent in the rear case.
[* black] Hiding above the Apple logo, we find the small dual microphone grates.
[* black] ''It's listening; it's always listening…''
+[* black] Dual microphone technology has been utilized in mobile devices for years to cut out background noise during phone calls. Now, the same idea is being applied to improve sound quality during FaceTime chats.