Cameron Nakashima joins producer/host Coralie Chun Matayoshi to discuss why QR codes are used, legitimate businesses uses, ...

I hate those printed coupons that come along with my grocery receipts. They’re too easy to forget or lose and too hard to redeem. I also hate loyalty cards, mail-in rebates, and all the other tricks ...

A QR Code scan is like a raised hand in a crowded room. It's voluntary, visible, and tells you exactly who's interested. Compare that to website cookies, which are more like secretly following someone ...