Rainbows End?
Is it a gay tragedy?
Nope, a name of a retirement community in the book. However, there are few scattered hints that one of the characters
might be gay. Note that there are no straight-out references to any kind of sexuality, aside one incident of viewpoint character speculating on another character's few days of backsliding on learning to use a wearable interface resulting from accidental triggering of a "porn view" in
AR.