QR Codes
The easiest way to start. Most phones will scan 2D barcodes and can launch mobile experiences.
Digital Watermarks
All the benefits of 2D barcodes using special “imperceptible” codes that do not impact page design.
Augmented Reality
Use any photograph or image without changing printed pages or the pre-production process.
NFC
Near Field Communications can activate a mobile phone instantly when it is held up to a printed page.