Wireless companies say they’ve been told their signals may be jammed during the G8 and G20 summits, but aren’t being given any more information about how thousands of cellphone users could be affected.

While the G8 summit is in Ontario cottage country, the G20 is in the heart of downtown Toronto, and widespread shutdown of cellphone networks could wreak havoc on businesses already preparing to take a hit from security precautions in place for the meetings.

But the technology is expected to be used only to create a moving bubble of electronic silence around motorcades.(from infowars.com)