Deliver secret messages.
Use small intelligent drones.
Enable the use of QR codes to perform actual online actions like liking a Facebook page, requesting a coupon, or even quickly ordering a product or service.
A two part solution. The first part is a text-based command protocol that can be embedded in any QR code containing the action to be taken. The second part is a special QR code app that understands these commands and uses the scanned command in conjunction with existing data on the smartphone (Facebook account, phone number, credit card, email address, etc.) to execute the command with one fast QR code scan.
Relax those muscles that get tense from driving.
A service at gas stations that offers a very short shoulder and neck massage while you’re waiting for your tank to be filled.
Save you the trouble of going there and waiting.
Add live information to navigation software that includes the estimated waiting time at gas stations on your way.
Get alerts when your kids are supposed to be home but are late.
A family function of the calendar app that takes into consideration their schedule (times, places and modes of transportation) and alerts you when they are supposed to be home already.