barcode
Tagged Discussions
Professor2010
@Professor2010 (20156)
• India
12 Apr 13
Always check the expiry date on food items, edible oils, spices, medicines, ointments.
These days one can see ‘BAR CODES’ on each and every product; they carry very useful information.
Many products no longer show where they...
16 responses •
4 people
friendship
@friendship (2084)
• Canada
1 Jul 07
I hear that the technology called RFID (Radio Frequency Identification) has been created in order to track every move you make and to buy foods, other products, services, etc. Without that technology, you will not be able to live...
14 responses •
7 people





