Canon illuminated buttons patent hints at future prosumer DSLR design ...

BRITTANY HILLEN, DPREVIEW:

Canon has filed a patent that shows illuminated buttons appearing on the back of a prosumer DSLR camera (7D/5D-like design), hinting that the feature may be added to the maker's future models. Details are sparse at this time, but an illustration in the patent shows a series of buttons with what appears to be a row of LEDs behind them.

Read more, here.