For its next trick, Apple might be working on keyboards for its MacBooks that change the appearance and functionality of their keys dynamically, depending on context – so the A key could instantly transform into a 9 key, for example. This comes from a patent spotted by Patently Apple (opens in new tab) (via 9to5Mac (opens in new tab)), outlining a keyboard which would have a flexible backlighting system that could display any symbol on any key. Specifically, keys with ‘illuminable glyphs that are selectively visible or invisible to an unaided human eye’.
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