Locative Lab

researching locative media

Sales of mobile phone jam devices soar

tour06-cellphones.jpg Fed up with having to hear other people’s mobile phones, Americans are increasingly turning to handheld jamming devices that can cut off a call at the click of a button. The Telegraph reports.

“In a trend that is starting to alarm mobile phone network companies, retailers say they are receiving hundreds of US orders for such gadgets every month.

The technology is not new but the popularity of such devices – which can be as small as a cigarette packet and just as easy to conceal – is growing in tandem with mobile phone use.

… The majority of jammer buyers want them for rather more self-interested purposes – namely to end annoying interruptions on the bus, train, restaurant or cinema.

Buyers reportedly include restaurateurs, hair salon owners, hoteliers, bus drivers and commuters.

… Phone users will immediately see a “no network” signal on their handset as its link with the nearest transmitter mast is cut.”


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Cityscape LocativeLab.org is Ronald Lenz's research website on locative & mobile media. This is mostly an archive of blogposts I find inspiring and interesting and an overview of my work. I'm a strategist, technologist and researcher in the field of Location-Based Mobile Services and work at Waag Society, a medialab in Amsterdam, The Netherlands where I head the Locative Media research program and at 7scenes, a platform for GPS games and tours as creative director. Picture 4 Find me at Twitter, LinkedIn or via ronald [at] waag [dot] org.

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