QR-codes in Lich
At many places of interest in Lich one can find QR-codes, which can be scanned by owners of smartphones, thus getting an instant description of the buildings and sites with this online-townguide.
QR-codes (QR for: „Quick Response“) are small square codes, which were developed in 1994 by a japanese company.
QR-codes contain data such as internet-addresses or business cards.
The more people owned smartphones with cameras, the more QR-codes were used. With special apps one can scan these codes and for example can save typing in web-addresses.
Some, mainly free, apps:
QR Droid QR Barcode Scanner
and many others.
More information about QR-codes: