In terms of size and shape there are a very limited number of electric guitar pickups in use and in production today.
Strat single coils
Tele neck / bridge
Repros of Dano lipsticks, Dearmonds, toasters, and other earlier designs
Given the enormous popularity and success of the first group, will there ever be new pickup designs that are so significant that it will drive guitar manufacturers and designers to adopt new pickup form factors into their instruments?
And except for the manufacturing process, the technology hasn't changed that much in 50 years either.
Are guitar pickups just one of those things where the physical design has for the most part been perfected and completely standardized?