Gigamom is clueless on the actual problem, confusing cellular and WiFi. The issue isn’t Jobs asking people to turn off their abusive MiFis,or AT&T’s problematic network. It’s that devices like the MiFi are an incredibly stupid replacement for a one-foot USB cable, which is all these audience members were using it for. 802.11 does not support AP densities of more than three per 100′ radius under the best conditions. The WWDC had more like 50 per 100′.

If the clueless MiFiers (and other cellular personal hotspot users) simply USB-tethered their hotspots the problem would have never occurred. It’s scary that so-called “developers” couldn’t predict this problem and sensibly head it off.

“MiFi Jamming” is a usability killer in many Starbucks now, where a dozen or more thoughtless users smear the room with unnecessary interfering 802.11 radiation, jamming access for everyone trying to use Starbucks’ wireless. All for want of a one-foot cable that ships with the cellular modem! Idiots all.

The thing is, the 802.11 standards committee predicted this problem FIVE YEARS ago. MiFi is just the first wave a self-defeating wireless decablers, wielded by clueless users that ignore spectrum realities, potentially destroying WiFi as a useful technology.

Packetguy on http://gigaom.com/2010/06/07/steve-jobs-survives-gizmodo-but-not-mifi/

Using Wifi to network a single device does seem like overkill.

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