George is considered a “laggard”.
Option: a
Step-by-step explanation:
Laggard is said to a person who lags behind as compared to others due to the slow progression. In the diffusion of innovation process, the laggards come under the elements of adopters. Here, Bob and George are from US and when Bob asked George for its cell number to which George said that he doesn't has one. This shows that George is a laggard as where the world work with cell phones, there he lags behind it.