The topic of weeks 5 and 6 furthermore included a description of different scanners. I thought the most interesting and important scanner method is the "RFID" technology. Increasingly, companies like American Apparel use this to improve their business processes, productivity and operations (the link on "American Apparel" is a very interesting video about how this clothing manufacturer utilizes RFID, I can just recommend to watch it! :) ).
RFID is the short form of "Radio Frequency IDentification". It describes a technology where small electronic information tags are being transmitted wirelessly between a "tag" and a "reader". The tags do not need any power, as those are passive devices, whereas the reader or scanner needs to be powered. It is a very easy to use but also more expensive technology (as compared to Bar Codes). However, it makes life a lot easier: One need not anymore directly point on the bar code (or in this case the tag), but only the approximate direction is enough.
This technology is a huge advancement! In the retailing sector it finds great application, as well as in shipping industries, even in credit cards (in 2006 major credit card companies started to put RFID tags into credit cards so you do not have to swipe them through any credit card reading device anymore) and also to automatically pay tolls on roads.
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