How QR Code Campaigns Changed Digital Marketing in 2011
The year a Seoul subway platform became a virtual grocery store, Calvin Klein's billboard drew complaints and QR codes proved easier to print than to use well.
Topic
QR Code Campaigns
The Rise of QR Code Campaigns
QR codes started in 1994 as a way to track automotive parts in Japan. Here's how they spent a decade as a mobile marketing staple there before catching on.