The drawback of __________ for location-based tracking is that it(they)require(s)users to open a specific app to take a clear photo.
A)GPS
B)iBeacon
C)NFC
D)QR codes

Question

Quizplus · Accepted Answer

QR codes require users to open a specific app or camera to scan the code for location-based tracking, unlike GPS, iBeacon, and NFC, which can operate more seamlessly in the background or with simpler user actions.

The Drawback of __________ for Location-Based Tracking Is That It(they)require(s)users