The world building is cool.

The central conceit: assuming there is a on/off switch for language (the ability to conceive of it/speak it/hear it) in the brain, what would happen if a significant percentage of the population's was turned off?

Never answered in any definitive or focused way. I was left with a lot of specific and binary questions about what the story meant linguistically, culturally, scientifically, socially, etc.

The first quarter was too busy. And maybe it's the breaks with three authors, but I can't with the many alternating narrators.