Application of NFC technology in the retail sector
Retailers are starting to acknowledge the role of IT as an enabler. Basically, it can speed up processes and deliver cost-saving benefits to companies

NFC technology is now accessible on most smartphones. Also, cheap NFC tags can be simply added to any physical object to turn it into an interactive experience.
NFC technology is also a key motivating force behind the quick rise in digital wallet payments such as Google Pay and Apple Pay. Mobile payments are fast, simple and handier. Moreover, the fact that NFC payments do not need biometric features, such as fingerprint scans, makes them even more secure vis-a-vis chip and PIN.
Thermal imaging

Thermal imaging cameras operate in the infrared (IR) range of the electromagnetic spectrum (roughly 9000 to 14,000 nanometres, or 9µm to 14µm) and generate images of that radiation, known as thermograms. Every object emits IR radiation, which is more than absolute zero, and quantum of radiation emitted by an object goes up as its temperature increases.
These systems are generally based on embedded technology and are placed at a height for precise results. Since these systems detect heat emitted by people, they are able to count well even in varying intensity of lighting. Moreover, they do not need to employ complex background removal algorithms, which is a pre-requisite for computer vision systems. This results in a more precise individual human count. However, such systems are likely to fail in cold weather when customers are wearing thick woollens that help in insulating their body heat.
https://www.electronicsforu.com/market-verticals/retail-2030-future-holds