Apart from 1-D bar coding identified by black lines stripes on the product,
manufacturers, mostly from pharmaceutical sector, have started using 2-D bar coding. Smart phone users could use their hi-end gadget to scan information
scripted in 2-D bar code printed on the packet of medicine to ascertain whether
the drug is a genuine or spurious.
2-D bar code: Phone can tell drug's genuineness
Reviewed by blognews