Business cards, particularly when elevated with QR code, still serve a powerful role in establishing one’s identity and status before a conversation even begins.

Google launches QR code feature for Business Profiles, making it easier to send customers directly to the review page.

In an attempt to improve user privacy, Google's Gmail has decided to replace SMS authentication with QR codes.

You can share the QR code with your customers in your marketing materials or hang it in your store to help them leave you a review.