Backwards compatibility

Assistive technology and custom controllers are usually not mass market products, they have less economy of scale so can be prohibitively expensive. Wherever possible, allow backwards compatibility with controllers from previous console generations. This allows expensive assistive tech to be reused for new generations of console hardware.

Adroit switchblade modular controller for PS3/Xbox 360, $399 + cost of custom inputs

Next: Compatibility with hearing aids and headphones

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