QR code is another form of bar code. QR codes are in trend these days and they help you in certain ways. they make you stand unique.
QR codes can do anything:
Store message: Plain-text
Open website: Portfolio, Company, YouTube, Squarespace, Pinterest, Foursquare, Webpage
Email: Gmail, Outlook, Hotmail, Yahoo, Zoho, AOL, or any other email service
Phone number: Call or SMS
Location: Google Maps
Social Media Accounts: Facebook, Twitter, Instagram, Linkedin, Yelp, Weibo, Chatbots, YouTube, Google Reviews
WiFi Login: Connect to your specified wireless SSID and Password
Payment methods: Paypal now, Wechat, Alipay, Bitcoin, and other pay apps
iTunes music store: Using cover art as your QR code background is the best way to promote your new album or single
App Store: Opens up Google Play or Apple App Store download page
Online menu: Let customers view your restaurant's digital menu
Scan a QR Code: iPhone & Android
Complete Information about QR Barcode
How you wats QR Barcode code shape,
Brand name
Brand email
Brand type