QR codes relevance under threat
"However, he remained optimistic QR codes are "here to stay" for now because they are very easy to implement, inexpensive, and most importantly, they are openly available to millions of people.
You don’t have to download a specific app to read a specific image. It's an open ecosystem which has made it much easier for people to use. That is what is most important right now," Wehr said.
Couldnt have summed it up better myself :)