mbjorkegren

+1 for this! Some considerations I thought of: 1. smaller keyboards don't easily have access to upper octaves. 2. User might frequently change the transpose on their keyboard.

Could there be a Create Bookmark Now button in the app as a fallback?

GPS location, depth, exposure settings, focus distance could be incorporated into the signed data. Also if the image is high enough resolution you could pick out individual pixels/subpixels in the screen.

Could this be used by colorblind people to remap hues? Like for red apples on a green tree, you could remap red to orange.

ys

One option if you're on a laptop, is to use a Dremel to remove the labels from each key.