> my opinion is for serious coding it's inefficient to go smaller than that. I'd say it depends. With a "normal" layout probably true, however I found I am at

> my opinion is for serious coding it's inefficient to go smaller than that. I'd say it depends. With a "normal" layout probably true, however I found I am at least as quick with programming on my ~45% keyboard. Mainly it's because I moved all the special characters and arrow keys down to the letters on a secondary layer. That allows me to enter anything without moving or stretching my hands, which I find very pleasant and at least feels very efficient. The layers are switched with thumb keys, so they're always accessible quickly. For me it was the best approach(especially compared to Dvorak, Colemak etc.) because it's still fully compatible with Vim and other programs without needing to relearn and reconfigure everything. Although I must admit when I'm typing on a qwerty keyboard I always need a few minutes to get used to it again.