Schismatrix

None central. Shapers use genetic engineering, Mechanists use prosthetics; both are competing to be employable.

Rebuild yourself for whatever the current economy rewards, then watch the reward change. Factions rise and fall around what kind of body is currently useful, and obsolescence arrives as a fashion cycle.

Obsolescence — The work goes, and standing goes with it.

The clearest account of a labour market where the worker, not the job, is the thing being upgraded.