In planning your marketing materials, consider using a QR code to share more information with your target audience easier and faster, writes guest columnist Greg Glynn.

After declining in popularity for a time, QR codes are back, offering a seamless bridge between physical and digital experiences to enhance multichannel strategies.

Popular password manager app 1Password has added a useful new feature—QR codes that share wifi with guests. The app automatically generates these wifi QR codes for saved networks.