tracking technology
At a Tesco's supermarket in Cambridge, England, the shelves have begun to talk to their
contents, and the contents are talking back. Soon, razors at a Wal-Mart store in Brockton,
Massachusetts will begin to let staff know when they suspect theft. This spring, a group of
firms will attempt to track, in real time, many thousands of goods as they travel from factory
to supermarket shelf. Consultants tout cost savings and extra sales that could run into tens of
billions of dollars a year.The reason for the sudden buzz of excitement is a new, super cheap
version of an old tracking technology called Radio Frequency Identification (RFID). RFID systems
are made up of readers and 'smart tags'-microchips attached to antennas. When the tag nears
a reader, it broadcasts the information contained in its chip. In the past four years, the cost
of the cheapest tags has plunged, from $2 to 20 cents. In the next two to three years, prices
are likely to fall to five cents or less. Already, RFID tags are made in their millions and used
to track pets and livestock, parts in car factories and luggage at airports. Last month, Gillette
announced that it had put in an order for half a billion smart tags, signalling the start of
their adoption by the consumer-goods industry. If they catch on, smart tags will soon be
made in their trillions and will replace the bar-code on the packaging of almost everything
that consumer-goods giants such as Unilever make.The inspiration behind the new, cheap
tags is a partnership between academic researchers and business called the Auto-ID Centre,
based in Cambridge, Massachusetts. Founded in 1999, the centre boasts 87 member
companies, including the world's biggest retailers and consumer-goods firms. Traditional
RFID tags carry all their information. That makes them big and costly-fine in small numbers,
but expensive in the sorts of quantities that the consumer-goods industry might want. But
nobody had got it,. Big technology firms such as Intel and Motorola thought it was
impossible to build a tag costing a few cents. Traditional RFID makers, who grew up without
the internet, did not understand the beauty of removing information from the tag and storing
it centrally. So Messrs Sarma and Ashton did the work themselves, designing specifications
for a new chip and inventing new software and network services to support their idea.
Abandoning the likes of Intel, Mr Ashton and Mr Sarma turned instead to a handful of start-ups.
One of them, called Matrics, says that it is now ready to start making the new tags.
contents, and the contents are talking back. Soon, razors at a Wal-Mart store in Brockton,
Massachusetts will begin to let staff know when they suspect theft. This spring, a group of
firms will attempt to track, in real time, many thousands of goods as they travel from factory
to supermarket shelf. Consultants tout cost savings and extra sales that could run into tens of
billions of dollars a year.The reason for the sudden buzz of excitement is a new, super cheap
version of an old tracking technology called Radio Frequency Identification (RFID). RFID systems
are made up of readers and 'smart tags'-microchips attached to antennas. When the tag nears
a reader, it broadcasts the information contained in its chip. In the past four years, the cost
of the cheapest tags has plunged, from $2 to 20 cents. In the next two to three years, prices
are likely to fall to five cents or less. Already, RFID tags are made in their millions and used
to track pets and livestock, parts in car factories and luggage at airports. Last month, Gillette
announced that it had put in an order for half a billion smart tags, signalling the start of
their adoption by the consumer-goods industry. If they catch on, smart tags will soon be
made in their trillions and will replace the bar-code on the packaging of almost everything
that consumer-goods giants such as Unilever make.The inspiration behind the new, cheap
tags is a partnership between academic researchers and business called the Auto-ID Centre,
based in Cambridge, Massachusetts. Founded in 1999, the centre boasts 87 member
companies, including the world's biggest retailers and consumer-goods firms. Traditional
RFID tags carry all their information. That makes them big and costly-fine in small numbers,
but expensive in the sorts of quantities that the consumer-goods industry might want. But
nobody had got it,. Big technology firms such as Intel and Motorola thought it was
impossible to build a tag costing a few cents. Traditional RFID makers, who grew up without
the internet, did not understand the beauty of removing information from the tag and storing
it centrally. So Messrs Sarma and Ashton did the work themselves, designing specifications
for a new chip and inventing new software and network services to support their idea.
Abandoning the likes of Intel, Mr Ashton and Mr Sarma turned instead to a handful of start-ups.
One of them, called Matrics, says that it is now ready to start making the new tags.
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