Mysterious black-and-white posters across three global cities fueled social media buzz and industry discussions on the power of curiosity-driven marketing. New York, October 16, 2025 - Early in ...

New York, October 16, 2025 — Early in September, mysterious posters began appearing across New York, Los Angeles, and London, each featuring a stark black-and-white QR code marked only by distinct ...

Since the Coronavirus pandemic outbreak, the QR code technology’s resurgence also began to rise unimaginably as well. Along with many digital advances powered by QR codes, QRTiger, seeing the ...