Urban Myth
This article should be put into an urban myth website.
How can you come up with reliable statistics on this? The issue is more to do with the environment that the technology is applied to as opposed to the technology itself.
WiFi is not the issue, it's people's homes, neighbours Wifi signals interfering whewther it's a terraced flat, or a large block of apartments with different levels.
Biting the hand that feeds IT
